Mathematics, 30.08.2019 03:10 dekarouh

Factor by grouping (sometimes called the ac-method).
28x^2+x-2
first, choose a form with appropriate signs.
then, fill in the blanks with numbers to be used for grouping.
finally, show the factorization.
a. 28x^2 + + - 2
b. 28x^2 + - - 2
c. 28x^2 - + -2
d. 28x^2 - - - 2

Answers: 2

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Factor by grouping (sometimes called the ac-method).
28x^2+x-2
first, choose a form wit...