Question

The area of a square window is 36x^2+96x+64. what is a side length of the window?

Answer 1

$36x^2+96x+64 = 9x^2 + 24x + 16 = (3x + 4)^2$

$\text {Area } = 36x^2+96x+64$

$\text {Area } = (3x + 4)^2$

$\text {Area} = \text{ length}^2$

$\text {Length} = 3x + 4$