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SAT Math Practice Question #38920 - SATify | SATify

#38920

operations

polynomials

manipulation

expressions

algebra

medium

60 sec

Calculator OK

Which of the following expressions cannot be simplified by combining all of its terms into a single term or fewer terms?

A.

$(3 x^{2} + 5 x) - (x^{2} - 2 x)$

B.

$(4 ab + 7 a) + (2 ab - 3 a)$

C.

$(y^{3} - 2 y^{2}) + (5 y^{2} + y^{3})$

D.

$(6 m^{2} n + 3 m n^{2}) - (2 m^{2} n + mn)$