blackrabbit490 blackrabbit490

26-02-2017
Mathematics

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Can somebody explain how to factor this polynomial? :)) Help ASAP! Thanks!

Can somebody explain how to factor this polynomial Help ASAP Thanks class=

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sdmatera sdmatera

26-02-2017

When you factor this, you get (3a+b)(2a-5b)

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MannyJ01 MannyJ01

26-02-2017

1) break the expression into groups
(6a^2 + 2ab) + (-15ab - 5b^2)

2) factor out 2a from 6a^2 + 2ab
factor out -5b from -15ab - 5b^2
2a(3a + b) - 5b(3a + b)

3) factor out the common term (3a + b)
(3a + b)(2a - 5b)

answer: (3a + b)(2a - 5b)

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