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Mathematics, 04.04.2020 22:52 bikkiecuanas13

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Solution: x²-8x-9=0
x²-8x-9=0
x²-8x=9
x²-8x+16=9+16
(x+4)²=25
x-4=25
x=29
x-4=-25
x=-21 Is this solution correct? Please explain in full sentences. I appreciate it!!

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HELP
Solution: x²-8x-9=0
x²-8x-9=0
x²-8x=9
x²-8x+16=9+16
(x+4)²=25

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