Question

4x sqaure +80x -225 find x

Answer 1

Answer:

$4 {x}^{2} + 80x - 225 = 0 \\ \\ 4{x}^{2} + 90x - 10x - 225 = 0 \\ \\2 x(2x + 45) - 5(2x + 45) = 0 \\ \\ (2x - 5)(2x + 45) = 0 \\ \\ x = \frac{2}{5} \: \: and \: \: \frac{ - 45}{2}$

Answer 2

Answer:

x=2/5 and 25/5

This is the answer bro....