X^2+6x-40=0 complete the square
1 answer:
Answer:
x = {4, -10}
Step-by-step explanation:
x^2+6x-40=0
x^2+6x+9 = 40+9
(x+3)^2 = 49
x+3 = 7
x+3 = -7
x = {4, -10}
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Step-by-step explanation:
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