Factor –7x3 + 21x2 + 3x – 9 by grouping. What is the resulting expression?
2 answers:
Answer:
The answer is the third option
Answer:
(3–7x²)(x–3)
Step-by-step explanation:
If you apply the distributive property in (3–7x²)(x–3), you obtain:
3x-9-7x²(x)+21x²
3x-9-7x³+21x²
When you order the expression, you have:
-7x³+21x²+3x-9
Then, the answer is (3–7x²)(x–3)
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<u><em>Step(s) of Explanation:</em></u>
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