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jeka94
3 years ago
9

I need help with math 1010completing the squarex^2-9x=10

Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0
x^2-9x=10|+20.25\\
x^2-9x+20.25=30.25\\
(x-4.5)^2=30.25\\
x-4.5=5.5 \vee x-4.5=-5.5\\
x=10 \vee x=-1
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