Question

Помогите с математикой Срочно!!!! Заранее спасибо!!!!!!!

Answer 1

1.
5 × 1 = 5
5 + 1 = 6

2.
6х = 5х + х

3.
${x}^{2} + 5x + x + 5 = ({x}^{2} + x) + (5x + 5) = x(x + 1) + 5(x + 1) = (x + 1)(x + 5)$
4.
$(x + 1)(x + 5) = {x}^{2} + 5x + x + 5 = {x}^{2} + 6x + 5$