Question

x×x+8x=16 factorise by factorisatio

Answer 1

$x ^{2} + 8x = 16 \\ = x ^{2} + 8x - 16 \\ = x ^{2} +(4 + 4)x - 16 \\ = x^{2} + 4x + 4x - 16 \\ = x(x + 4) + 4(x + 4) \\ = (x + 4)(x + 4)$

Answer 2

I hope this will help you !