SOLUTION: How would you simplify y= 2(x+3)^2 - 8 & how would you factor y= x^2 + 3x - 18

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Question 1076226: How would you simplify
y= 2(x+3)^2 - 8
&
how would you factor
y= x^2 + 3x - 18

Found 3 solutions by MathLover1, Alan3354, jorel1380:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

simplify



...now factor completely






factor
.....write as






Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
How would you simplify
y= 2(x+3)^2 - 8
-------
It's an equation.
Equations are solved, not simplified.
==============
&
how would you factor
y= x^2 + 3x - 18
It's an equation.
I don't factor equations.

Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
2(x+3)²-8=2(x²+6x+9)-8
=2x²+12x+18-8=2x²+12x+10
So y=2x²+12x+10
And:
y=x²+3x-18
y=(x+6)(x-3)
☺☺☺☺

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