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Anton [14]
3 years ago
14

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​
Mathematics
2 answers:
alina1380 [7]3 years ago
7 0

Answer:

x = -2

simplify:

-4x^2 - 8x = 0

sashaice [31]3 years ago
6 0

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

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