Question

$x {}^{2} + 22(x + 3) = 141$
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Answer 1

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Answer 2

x² + 22x + 66 = 141
x² + 22x + 66 - 141 = 0
x² + 22x - 75 = 0
x² + 25x - 3x - 75 = 0
x (x + 25) - 3 (x + 25) = 0
(x - 3) (x + 25) = 0

x - 3 = 0
x + 25 = 0

x₁ = 3
x₂ = - 25

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