Equivalent expressions

Easy Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to $9 x^{2} + 7 x^{2} + 9 x$ ?

A
$63 x Superscript 4 plus 9 x$
B
$9 x squared plus 16 x$
C
$25 x Superscript 5$
D
$16 x squared plus 9 x$

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id cb_question_bank:b897865c-50c0-4444-a852-db1a52b6c8cb · question 67e866b5 · JSON