3 years ago

PLEASE ANSWER + BRAINLIEST!!!

1 answer:

5 0

Very simple

? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 + (20 – 4x – 5x2)
? = 20 – 7x2 + (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
the answer is C. 40-4x-12x^2

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