4x squared + 16x + 15 (Factoring I need help understanding)

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asked May 18, 2018 4.0k views

1 Answer

Pundit · Answer 1 · 2018-05-24T11:55:27+0000

the answer is (2x+3)(2x+5)

using the FOIL method

first: (2x)(2x)
outside: (2x)(5)
inside:(3)(2x)
last:(3)(5)

4x^2+10x+6x+15

collect like terms

4x^2+16x+15

4x squared + 16x + 15 (Factoring I need help understanding)

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