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Destiny Kim
Mathematics
5 April, 07:50
Rewrite the expression (x+3) (3x+8) - 3X (x+3)
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Julius Erickson
5 April, 08:05
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Multiply (x+3) (3x+8) x times 3x = 3x^2 then multiply x times 8 = 8x
keep multiplying 3 times 3x = 9x then 3 times 8=24
then multiply the - 3x (x+3) = - 3x^2-9x
your hole expression will look like this 3x^2+8x+9x + 24-3x^2-9x
if you need to simplify you can do by adding or subtracting them.
for example you can add 8x+9x = 17x
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