If 5x+72=32x−14, then x = ?
(a) 5
(b) -5
(c) 6
(d) -6
5x+72=32x−14⇒ 5x−32x=−14−72⇒ 10x−3x2=−28−72⇒ 7x2=−352⇒ x=−352×27=−5
2x2 - 11x + 15 when factorised gives _________.
Find the value of x in the equation x3+4=2
If (23)2 is 2x, what is x?
Let n(A−B)=25+x, n(B−A)=2x and n(A∩B)=2x. If n(A) = 2(n(B)) then 'X' is