Question

II (x+3) (x+7)
Maths eqution

Answer 1

Answer:

(x+3) (x+7)

x(x+3)+7(x+3)

x²+3x+7x+21

x²+10x+21

Answer 2

$solve \: \: \: (x + 3)(x + 7) \\ \\ = > (x + 3)(x + 7) \\ \\ = > {x}^{2} + 7x + 3x + 21 \: if \: you \: want \: factor \: so \: \\ \\ = > x(x + 7)3(x + 7) \\ \\ = > (x + 7)(x + 3) \\ \\ = > x = 7 \: and \: x = 3$