Equivalent expressions

Easy Math · Advanced Math · Equivalent expressions · MCQ

Which expression is equivalent to $(2 x^{2} + x - 9) + (x^{2} + 6 x + 1)$ ?

A
$2 x^{2} + 7 x + 10$
B
$2 x^{2} + 6 x - 8$
C
$3 x^{2} + 7 x - 10$
D
$3 x^{2} + 7 x - 8$

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id cb_question_bank:ba3b7ce2-669b-4d76-b93f-911f9f6f4a1a · question fd65f47f · JSON