How do you do this Algebra problem?
It doesnt do me much good if you don't show work. Thank you!
(3x+4)(5x-8)
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It doesnt do me much good if you don't show work. Thank you!
(3x+4)(5x-8)
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Verified answer
Use the process called FOIL..
It's to multiply binomial.
First 3x * 5x = 15x^2
Outer 3x * -8 = - 24x
Inner 4 * 5x = 20x
Last 4 * -8 = -32
So now we have 15x^2 -24x + 20 - 32
Combine like terms and we have the final answer to be:
15x^2 - 4x - 32
3x+4
5x-8
we 8*4=32
-8*3x=-24x
5x*4=20x
-24x+20x=-4x
3x*5x=15x^2
we got 15x^2-4x-32
15x^2-4x-32=(3x+4)(5x-8)