Question

TexFormula1" title="5 {x}^{2} - 2x + 3x = 9 {x}^{2} + 9x" alt="5 {x}^{2} - 2x + 3x = 9 {x}^{2} + 9x" align="absmiddle" class="latex-formula">
please fast please fast​

Answer 1

Answer:

x = -2

simplify:

-4x^2 - 8x = 0

Answer 2

Answer:

$5 {x}^{2} - 2x + 3x = 9 {x}^{2} + 9x \\ 5 {x}^{2} + x = 9 {x}^{2} + 9x \\ 5 {x}^{2} - 9 {x}^{2} = 9x - x \\ - 4 {x}^{2} = 8x \\ - 4x = 8 \\ x = \frac{ - 8}{4} = - 2 \\ x = - 2 \\ thank \: you$