i need to simplify this
x^2+x^3+3x^3+x^2+7y^2
x^2+x^3+3x^3+x^2+7y^2
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Step #1 - Add x^3 and 3x^3 together which equals to 4x^3
Step#2 - Add x^2 and x^2 together which equals to 2x^2
and the 7y^2 stays the same.
So the answer is... 4x^3 + 2x^2 + 7y^2
Step#2 - Add x^2 and x^2 together which equals to 2x^2
and the 7y^2 stays the same.
So the answer is... 4x^3 + 2x^2 + 7y^2
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x^2[1+x+3x+1+7y^2]=x^2[7y^2+4x+2]! Answer
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4x^3 + 2x^2 + 7y^2
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2x^2+4x^3+7y^2