Factorise: 25a2 – 4b2 + 28bc – 49c2
Answer: (5a + 2b – 7c)(5a – 2b – 7c) In Maths, common factors are defined as factors that are... View Article
Latest Posts
Factorise: 27x3 + y3 + z3 – 9xyz
Answer: The expression 27x3 + y3 + z3– 9xyz can be written as (3x)3 + y3 + z3 – 3(3x)(y)(z)... View Article
Factorise: 49x2 – 36
Answer: In Maths, common factors are defined as factors that are common to two or more numbers. A common factor... View Article
Factorise: 4p2 – 9q2
Answer: (2p – 3q)(2p + 3q) In Maths, common factors are defined as factors that are common to two or... View Article
Factorise: 63a2 – 112b2
Answer: 7(3a + 4b)(3a – 4b) In Maths, common factors are defined as factors that are common to two or... View Article
Factorise: 9x2y2 – 16
Answer: (3xy – 4)(3xy + 4) In Maths, common factors are defined as factors that are common to two or... View Article
Factorise: ax + bx – ay – by
Answer: In Maths, common factors are defined as factors that are common to two or more numbers. A common factor... View Article
Factorise: x2 + xy + 8x + 8y
Answer: In Maths, common factors are defined as factors that are common to two or more numbers. A common factor... View Article
Factorise: z – 7 + 7xy – xyz
Answer: In Maths, common factors are defined as factors that are common to two or more numbers. A common factor... View Article
Factorize the following using appropriate identities: 4y2 −4y + 1
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Factorize the following using appropriate identities: 9x2 + 6xy + y2
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Factorize the following using appropriate identities: x2 – y2/100
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Factorize the following: 27y3 + 125z3
Answer: 27y3 + 125z3 = (3y + 5z)(9y2 – 15yz + 25z2) The expression, 27y3 + 125z3 can be written... View Article
Factorize the following: 64m3 – 343n3
Answer: (4m)3 – (7n)3 = (4m – 7n)(16m2 + 28mn + 49n2) The expression, 64m3 – 343n3 can be written... View Article
Factorize: 2x2 + y2 + 8z2 – 2√2xy + 4√2yz – 8xz
Answer: Given 2x2 + y2 + 8z2 – 2√2xy + 4√2yz – 8xz Using identity, (x + y + z)2... View Article
Factorize: 3x2 – x – 4
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Factorize: 4x2 + 9y2 + 16z2 + 12xy – 24yz – 16xz
Answer: Given 4x2 + 9y2 + 16z2 + 12xy – 24yz – 16xz Using identity, (x + y + z)2... View Article
Factorize: 6x2 – 5x – 6
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Factorize: x3 + 13x2 + 32x + 20
Answer: Let p(x) = x3+13x2+32x+20 Factors of 20 are ±1, ±2, ±4, ±5, ±10 and ±20 By trial method, we... View Article
Fig. shows a car sticking to an electromagnet. Name the forces acting on the car? Which one of them is larger?
Answer: The forces working on the car are Force of gravity which is the downward force The magnetic force which... View Article
