Y=-(x+2)2+9

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Solution for Y=-(x+2)2+9 equation: 



=-(Y+2)2+9

We move all terms to the left:

-(-(Y+2)2+9)=0



We calculate terms in parentheses: -(-(Y+2)2+9), so:

-(Y+2)2+9

We multiply parentheses

-2Y-4+9

We add all the numbers together, and all the variables

-2Y+5

Back to the equation:

-(-2Y+5)



We get rid of parentheses

2Y-5=0

We move all terms containing Y to the left, all other terms to the right

2Y=5

Y=5/2

Y=2+1/2

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