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miv72 [106K]
3 years ago
9

Which must be present in order for factoring by grouping to apply?

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Answer:

Parentheses

Step-by-step explanation:

In order to factor by grouping you need parentheses.

Natasha2012 [34]3 years ago
6 0

Answer:

is there a picture because need to see it

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Ok, first group x terms
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factor out quadratic coefient (no need but that's the step)
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take 1/2 of the linear coefient and square it
4/2=2, (2)²=4
add positive and negative of it insides the parenthasees
f(x)=1(x²+4x+4-4)-8
factor perfect square
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distribute
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0=1(x+2)²-12
12=(x+2)²
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and completed square form is
f(x)=(x+2)²-12
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Answer:

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Your answer is B. Hope this helps! Good Luck and God Bless
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