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Mathematics

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Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1).

Answer :

DEBMC7IN DEBMC7IN

PEMDAS: parentheses, exponents, multiplication, division, addition, subtraction. That tells you the order you solve problems.

You start by working each part of the problem in parentheses. You multiply before adding/subtracting.

I’ve attached a picture. Please ask any questions.

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