Question

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

Please help

Answer 1

C

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