Question

Select the expression that is equivalent to (x+5)² - (x − 3)(x + 5).

Answer 1

Ответ:

Пошаговое объяснение:

(x+5)² - (x − 3)(x + 5)$=x^{2}$+10x+25-$x^{2}$+15=10х+35

Answer 2

(x + 5)² - (x - 3)(x + 5) =

= х² + 10х + 25 - (х² + 5х - 3х - 15) =

= х² + 10х + 25 - х² - 5х + 3х + 15 =

= 8х + 40