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Multiply the Polynomial (5a-b)(5a+8b) Explain.
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1 vote
Multiply the Polynomial
(5a-b)(5a+8b)

Explain.

User Glebreutov
by
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2 Answers

6 votes
(5a - b)(5a + 8b)
5a(5a + 8b) - b(5a + 8b)
5a(5a) + 5a(8b) - b(5a) - b(8b)
25a² + 40ab - 5ab - 8b²
25a² + 35ab - 8b²
User Calvin Nunes
by
9.5k points
6 votes

(5a-b)(5a+8b)=(5a*5a)+(5a*8b)+(-b*5a)+(-b*8b)=
25a^2+40ab-5ab-8b^2=25a^2+25ab-8b^2
User Rogercampos
by
9.1k points
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