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OpenStudy (anonymous):
Select the correct difference. 5d2 + 4d - 3 less 2d2 - 3d + 4 3d2 + 7d - 7 3d2 - 7d - 7 7d2 + 7d - 7 7d2 + d + 1
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OpenStudy (anonymous):
(5d2 - 2d2) + (4d + 3d) + (-3 - 4) = ?
OpenStudy (anonymous):
(3d2)+(7d)+(-7)
OpenStudy (anonymous):
correct. take them out of parentheses and done.
OpenStudy (anonymous):
ok thank you much
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