Question

factorise 2×^2+7×+5​

Answer 1

Ans: (x - 1)(2x - 5)

Explanation:

y=2x^2-7x+5

Since (a + b + c = 0), use the shortcut. One factor is (x - 1) and the other is

(x-c/a) = (x-5/2)

y=2(x-1) (x-5/2) = (x-1) (2x-5)