Mathematics, 31.12.2019 06:31, elmo4851

Select the correct answer.

which sum or difference is modeled by the algebra tiles?

a. (-x2 + 2x + 3) − (x2 − 2x − 1) = -2x2 + 2

b. (-x2 + 2x + 3) − (-x2 + 2x + 1) = -2x2 + 2

c. (-x2 + 2x + 3) + (-x2 + 2x + 1) = -2x2 + 2

d. (-x2 + 2x + 3) + (-x2 − 2x − 1) = -2x2 + 2

Select the correct answer. which sum or difference is modeled by the algebra tiles?

Answers: 1

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Select the correct answer.

which sum or difference is modeled by the algebra tiles?