Multiplication of a Binomial by a Binomial

Q. The number of terms that you get on simplifying (3x + 5)(x - 4) is

1. 2
2. 3
3. 4
4. 5

Q.

The product of $(x+7y)and(7x-y)$ is

1. $7x^2+48xy-7y^2$

2. $7x^2-48xy-7y^2$

3. $7x^2-48xy+7y^2$

4. $7x^2+48xy+7y^2$

Q.

If $(3x-4)(5x+7)=15x^2-ax-28$, then $a$ = _____.

1. 1

2. - 1

3. - 2

4. 2

Q.

Find the product of $(a+b)$ and $7a^2$$b^2$.

1. $7a^2$$b^2$

2. $7a^3{b}^2+7a^2{b}^3$

3. $7a^{2}b+7a{b}^2$

4. $7a^{2}b+7ab$

Q.

Simplify.$(x^2+y^2-3xy)-(y^2-4xy-3x^2)$

Q. If $(3x-4)(5x+7)=15x^2-ax-28$, then $a$ is ______.

1. 1
2. - 1
3. - 2
4. -5

Q.

Simplify $(x+3)(x+5)$.

1. $9x^2+6x+9$

2. $x^2+9x+6$

3. $x^2+6x+9$

4. $x^2+8x+15$

Q.

Simplify $(3x^2+5y^2)(4xy-5y)$.

1. $(6x^{3}y-15xy+20x{y}^3-5y^3)$

2. $(12x^{3}y-15x^{2}y+20x{y}^3-25y^3)$

3. $(12x^{3}y-5x^{2}y+10x{y}^3+25y^3)$

4. $(6x^{3}y-15x^{2}y+10x{y}^3-5y^3)$

Q.

Find the product of $(t+s^2)$ and $(t^2-s)$.

1. $t^3+s^2{t}^2-st-s^3$

2. $t^3+s^2{t}^2-st-s^2$

3. $t^3+s^2{t}^2-2st-s^3$

4. $t^3+t^2-st-s^3$

Q.

The product of $(x+7y)and(7x-y)$ is

1. $7x^2-48xy-7y^2$

2. $7x^2+48xy-7y^2$

3. $7x^2-48xy+7y^2$

4. $7x^2+48xy+7y^2$

Q. The product of $(7x-4y)$ and $(3x-7y)$ is .

1. $21x^2+28y^2+61xy$
2. $21x^2-28y^2-61xy$
3. $21x^2+28y^2-61xy$
4. $21x^2+28y^2-37xy$

Q.

$\text{If two adjacent sides of a rectangle}\text{measure}(2x^2+y)m\text{and}(x^2-y)m,\text{then find its perimeter.}$

1. $6x^{2}m$

2. $-6x^{2}m$

3. $(6x^2-4y)m$

4. $(6x^2+4y)m$

Q.

Find the value of expression $(a-b)(a^2+ab)$ when a = 3 and b = 2?

1. 15

2. 54

3. 16

4. 20

Q. Find the value of $(3a-\frac{1}{2})(3a-\frac{1}{2})$.

1. $9a^2-2a+\frac{1}{4}$

2. $9a^2-3a+\frac{1}{4}$

3. $6a^2-3a+\frac{1}{4}$

4. $9a^2-3a+\frac{1}{2}$