x2+20x_84=0 solve quadratic equation
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Answer:
x is -6 and -14
Step-by-step explanation:
x² + 20x + 84 = 0
x² + 14x + 6x + 84 = 0
x(x + 14) +6(x + 14) = 0
(x + 6)(x + 14) = 0
x + 6 = 0
x = -6
x + 14 = 0
x = -14
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