Question

$x ^{2} + 3x - 180 = 0$
​

Answer 1

x² + 3x - 180

x² + 15x - 12x - 180

x(x + 15) -12(x + 15)

x - 12 = 0

x + 15 = 0

x = 12 , x = -15

Answer 2

Answer:

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