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Downpour17:
I really need help with this Simplify: (2x + y)(4x2 – 2xy + y2) If x=2 and y= 3
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MrMudd183:
so what i would do is substitute x for 2 and y for 3 in each spot. after you do that it would look like (2(2)+3)(4(2)2-2(2)(3)+(3)2)
Downpour17:
would it be something like this? 8x3 + y3.
Tommythheanswer:
yes
MrMudd183:
(4+3)(16-10+6) is what i got after i substituted (7)(12) after i did what's in the parenthasis *sorry for bad spelling* then you should end up with 84 as your final result
MrMudd183:
if my math is correct
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Downpour17:
Ok i get that thank you
MrMudd183:
you're welcome :)
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