Question

Factorise 4 + (a + b) - 14(a + b)²

Answer 1

Step-by-step explanation:

The equation can be written as

14(a+b)^2-(a+b)-4=0

let a+b=x

14x^2-x-4=0

14x^2-8x+7x-4=0

2x(7x-4)+1(7x-4)=0

(7x-4)(2x+1)

now put the value of X =(a+b)

[7(a+b)-4][2(a+b)+1]

I think it is helpful for you

Answer 2

4 + (a + b) - 14(a + b)² = love you ❤️