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diamong [38]
3 years ago
12

I need these answer ASAP PLEASE!!!!

Mathematics
1 answer:
Archy [21]3 years ago
7 0

Answer:x=150 y=30

Step-by-step explanation:

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Solve the equation by completing the square. If necessary, round to the nearest hundredth.
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Ax^2+bx=c
REMEMBER THIS

ok
first, make sure that a is 1
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now take 1/2 of b and square it

-18/2=-9, (-9)^2=81
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x²-18x+81=19+81
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factor perfect square
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don't forget positive and negative root
x-9=10
x-9=-10
ad 9 to both sides

x=19
x=-1




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