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Combine the like terms to simplify the expression:

5 + 7 + 15xy2 + 9y3 + 10x –13xy2 – 3x – 8y3

A.
y3 + 2xy2 + 7x + 12

B.
y3 –2xy2 + 10x + 15

C.
y3 + 2xy2 + 10x + 1

D.
y6 + 2x2y2 + 10x + 12

Sagot :

[tex]5+7+15xy^2+9y^3+10x-13xy^2-3x-8y^3\\\\=(5+7)+(15xy^2-13xy^2)+(9y^3-8y^3)+(10x-3x)\\\\=12+2xy^2+y^3+7x\\\\=\boxed{y^3+2xy^2+7x+12}\leftarrow\boxed{A}[/tex]
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