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shtirl [24]
3 years ago
13

Which of the following would best be solved using factoring by grouping?

Mathematics
2 answers:
mart [117]3 years ago
7 0

ANSWER

4)x^3+ 5x^2- 9x- 45=0

EXPLANATION

Factoring by grouping is used to factor expressions that have four terms.

Among the given options, the fourth option is

x^3+ 5x^2- 9x- 45=0

There are already four terms in this expression.

So we group the first two and the last two and factor.

We can see that x² is common to the first two terms and -5 is common to the last 2 terms.

The fourth choice is correct.

snow_lady [41]3 years ago
5 0

Answer:

The fourth

Step-by-step explanation:

It has 4 terms

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