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8090 [49]
3 years ago
9

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

Mathematics
1 answer:
Masteriza [31]3 years ago
5 0
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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