Question

4. Factorize :
(1) 2x2 + 2ax -5x -5a​

Answer 1

Answer:

Step-by-step explanation:

2x2 + ax - a2 = 0

⇒ 2x2 + 2ax - ax - a2 = 0

⇒ 2x(x + a) - a(x + a) = 0

⇒(2x - a)(x + a) = 0

∴x = a /2 or - a.