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OpenStudy (anonymous):
adding polynomials (6x^2-xy+y^2)+(-x^2-5xy+8y^2) my answer-6x^4 5xy^2 8y^4 is this correct?
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Nnesha (nnesha):
nope :(
OpenStudy (anonymous):
what did I do wrong?
Nnesha (nnesha):
bec there is + sign so you can remove parenthesis so combine like which one is there are like terms ??
Nnesha (nnesha):
-6x^2 is not right
OpenStudy (anonymous):
6x^4
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Nnesha (nnesha):
oaky so u have to combine them not multiply when you multiply THEN you have to add their exponents
Nnesha (nnesha):
|dw:1424817527259:dw| both terms have x^2 so combine them 6x^2 -x^2 = ??
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