Question

Factorise:
x²+ 12x + 35​

Answer 1

`(x + 7)(x + 5)`

Explanation:

`{x}^(2) + 12x + 35`

`{x}^(2) + (7 + 5) \: x + 35`

`{x}^(2) + 7x + 5x + 35`

`x(x + 7) + 5(x + 7)`

`(x + 7)(x + 5)`

Hope it is helpful....

Answer 2

(x + 7)(x + 5)

Explanation:

x² + 12x + 35

= x² + (7 + 5)x + 35

= x² + 7x + 5x + 35

= x( x + 7) + 5(x + 7)

= (x + 7)(x + 5)