Question

answer it's factorisation ​

Answer 1

Answer:

x²+8x+7=x²+x+7x+7

=x(x+1)+7(x+1)

=(x+1)(x+7)

Answer 2

Answer:

$\: \: \: \: \: {x}^{2} + 8x + 7$

$= {x}^{2} + (7 + 1)x + 7$

$= {x}^{2} + 7x + x + 7$

$= x(x + 7) + 1(x + 7)$

$= (x + 7)(x + 1)$