# How do you write the function in standard form y=(x+5)(x+2)?

Apr 2, 2017

$y = {x}^{2} + 7 x + 10$

#### Explanation:

given:" "y=color(blue)((x+5)color(green)((x+2))

Multiply everything inside the right bracket by everything inside the left.

color(green)(y=color(blue)(x)(x+2)" "color(blue)(+" "5)(x+2))

$y = {x}^{2} + 2 x \text{ "+" } 5 x + 10$

$y = {x}^{2} + 7 x + 10$