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kakasveta [241]
3 years ago
7

Factor –7x3 + 21x2 + 3x – 9 by grouping. What is the resulting expression?

Mathematics
2 answers:
sergeinik [125]3 years ago
4 0
Take the first 2 and take out -7x2. bringing it to (-7x2)(x-3)+(3x-9)
then take out 3 on the right side.
-7x^2 (x-3)+3 (x-3)
factors to (3-7x2)(x-3)
den301095 [7]3 years ago
4 0

Step-by-step explanation:

take the first 2 and take out -7x2. bringing it to (-7x2)(x-3)+(3x-9)

then take out 3 on the right side.

-7x^2 (x-3)+3 (x-3)

factors to (3-7x2)(x-3)

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