SAT Mathematics Practice Test 7

Question : 22 of 59

Marks: +1, -0

(x^2 - 3) - (-3x^2 + 5)

Which of the following expressions is equivalent to the one above?

Solution:

Applying the distributive property, the given expression can be rewritten as

x^2 - 3 + 3x^2 - 5

. Combining like terms yields

4x^2 - 8

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