What is the solution to 2x^2+8x=x^2-16?
x=4
x=22
x=2
x=4
2 answers:
Answer:
x = -4
Step-by-step explanation:
2x² + 8x = x² - 16
x² + 8x + 16 = 0
x² + 4x + 4x + 16 = 0
x(x + 4) + 4(x + 4) = 0
(x + 4)² = 0
x = -4
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