# Algebra polynomials

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Use a commutative law to find an equivalent expression.

1.pq 2.t+4

Multiply

3. -2(3a-4b)

simplify.

4. -3(x+2)-4(x-5)

5.4x-[6-3(2x-5)]

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#### Solution Preview

Use a commutative law to find an equivalent expression.

1. pq

By the commutative law, we have

p*q=q*p

2. t+4

By the commutative law, we have

t+4= ...

#### Solution Summary

This uses the commutative law, and associative and distributive properties to work with polynomials.

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