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lorenaandreahjimenez

Let's simplify step-by-step.

3b+5b2−3b−4b2

=3b+5b2+−3b+−4b2

Combine Like Terms:

=3b+5b2+−3b+−4b2

=(5b2+−4b2)+(3b+−3b)

=b2

The answer is C.

Combine like terms. So, +5b^2 - 4b^2 = = b^2 and the +3b and -3b cancel out.

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