Question

simplify
$(6m {}^{2} + 4m - 3) - (9m + 7) + (4m { }^{2} - 5m)$
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Answer 1

Answer:

10m2−10m−10

Step-by-step explanation:

Let's simplify step-by-step.

6m2+4m−3−9m+7+4m2−5m

=6m2+4m+−3+−9m+7+4m2+−5m

Combine Like Terms:

=6m2+4m+−3+−9m+7+4m2+−5m

=(6m2+4m2)+(4m+−9m+−5m)+(−3+7)

=10m2+−10m+4

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