Question

12x + 9 = 5x²Need answer asap :)

Answer 1

Answer:

Either x=3 or x=-3/5

Step-by-step explanation:

Answer 2

Answer:

$- 5 {x}^{2} + 12x + 9 = 0 \\ - 5 {x}^{2} + (15 - 3)x + 9 = 0 \\ - 5 {x}^{2} + 15x - 3x + 9 = 0 \\ - 5x(x - 3) - 3(x - 3) = 0 \\ ( - 5x - 3)(x - 3) = 0 \\ x = 3 \: or \: x = \frac{ - 3}{5}$

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