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Factor the polynomial completely.4×2 – 81y2

Multiply.(9×4)(2×5)

Simplify. Write the answer with positive exponents.-4x4y ∙ -6x5y3

Simplify. Write the answer with positive exponents.(-5)5(-5)7

Simplify. Write the answer with positive exponents.(-9)8(-9)4

Multiply.(-5x + 5)(-2x – 7)

Perform the indicated operations.(8×6 + 4×5) + (5×6 + 9×5 + 6)

Simplify. Write the answer with positive exponents.(-4)7(-4)9

Factor the polynomial completely.14×3 – 4×2 + 10x

Perform the indicated operations.(7×5 + 4×3) + (2×5 + 8×3 + 7)