odetteroal499 odetteroal499

30-10-2018
Mathematics

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I need help with math, I have no idea what I'm doing

I need help with math I have no idea what Im doing class=

Respuesta :

30-10-2018

a. (x+3)(4x+5)
(multiply x with 4x+5 then multiply 3 with 4x+5)
=4x^2+5x+12x+15
=4x^2+17x+15
b,c, and d are similar

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