Question

Factorize:
(i) x² + 6x + 8
(ii) x² + 4x - 21
(iii) x² - 7x + 12​

Answer 1

Answers:-

See the attachment.

Answer 2

Factorise ...

_______________

${x}^{2} + 6x + 8 \\ \\ {x}^{2} + 4x + 2x + 8 \\ \\ {x}(x + 4) + 2(x + 4) \\ \\ (x + 4)(x + 2)$

_________________

(2) x²+4x-21

_________________

${x}^{2} + 4x - 21 \\ \\ {x}^{2} + 7x - 3x - 21 \\ \\ x(x + 7) - 3(x + 7) \\ \\ (x + 7)(x - 3)$

__________________

(3) .x²-7x+12

__________________

${x}^{2} - 7x + 12 \\ \\ {x}^{2} - 4x - 3x + 12 \\ \\ x (x - 4) - 3(x - 4) \\ \\ (x - 4)(x - 3)$

___________________

Hope it's helps you ☺️

__________________