Find the equivalent expression for (5+a)(a-5)^2?

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6 votes

Answer:
a^3 -5a^2 -25a+125

Explanation:

$(5+a)(a-5)^2\\\\=(5+a)(a^2 -10a+25)\\\\=5a^2 -50a+125+a^3 -10a^2 +25a\\\\ =a^3 -5a^2 -25a+125$

Windel answered Jan 9, 2023

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