Question

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Which expression is equivalent to (4x^2 +6x – 3) + (-8x ^2 – 2x – 9)?

Please help

Answer 1

Answer:

C

Step-by-step explanation:

$4x^{2} +6x-3-8x^{2} -2x-9$

Collect like terms:

$(4x^{2} -8x^{2} )+(6x-2x)+(-3+-9)$

$-4x^{2} + 4x -12$

This matches with Option C