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OpenStudy (anonymous):
find the sum (13x2 + 5x) + 8x2 =
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OpenStudy (anonymous):
Look : We can have :13x^2+5x+8x^2 and delete the ( ) . the 13x^2 and 8x^2 are the same .Because we have x in both and their powers are = . So we can sum that . OK ?:)
OpenStudy (anonymous):
@hayleeopher
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