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3 years ago

15

Select one of the factors of 5x2 + 7x + 2.

2 answers:

Dafna1 [17]3 years ago

6 0

5x² + 5x + 2x + 2
5x(x + 1) + 2(x + 1)

(5x + 2)(x + 1)

Anon25 [30]3 years ago

4 0

(5x + 2)(x + 1)

Above are the factors. You can get these by looking for numbers in the front that multiply to the first term and numbers in the back that multiply to the last term. Then FOIL to see if it works for the middle term. There is some trial and error to this.

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