Equivalent expressions

Medium Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to $(7 x^{3} + 7 x) - (6 x^{3} - 3 x)$ ?

A
$x cubed plus 10 x$
B
$- 13 x^{3} + 10 x$
C
$- 13 x^{3} + 4 x$
D
$x cubed plus 4 x$

Source: SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank. View the official question bank →

SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.

id cb_question_bank:7befdc0b-178a-44d3-87a0-bb4fac363e4e · question 5805e747 · JSON