Question 11 from SAT Digital Practice Test 1, Module 2, Section 2

This is the answer to question 11 from the SAT Digital Practice Test Module 2, Section 2. The question is "Which expression is equivalent to (7x^3+7x) - (6x^3-3x)? This algebra problem involves simplifying polynomials, combining like terms, and subtracting polynomials. Calculators ARE allowed on this section. This practice test is provided for free by the College Board. This video will show you how to do this problem and the logic behind it.

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