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valentina_108 [34]
3 years ago
15

Expand and simplify 3(3x+3)-3x(4x+2)

Mathematics
2 answers:
joja [24]3 years ago
4 0

Answer:

−12x^{2}+3x+9

Step-by-step explanation:

=(3)(3x)+(3)(3)+−12x2+−6x

=9x+9+−12x2+−6x

Combine Like Terms:

=9x+9+−12x2+−6x

=(−12x2)+(9x+−6x)+(9)

=−12x^{2}+3x+9

Artemon [7]3 years ago
4 0
To do this one, distribute first.
9x+9-12x^2-6x
Now find the like terms and add/subtract
3x+9-12x^2
And to put this in order:
-12x^2+3x+9
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