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Mathematics, 15.12.2019 19:31 hunterallan569

What is the missing polynomial?

? – (20 – 4x – 5x2) = 20 – 7x2

a. 4x-12x^2
b. 4x-2x^2
c. 40-4x-12x^2
d. 40-4x-2x^2

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You know the right answer?
What is the missing polynomial?

? – (20 – 4x – 5x2) = 20 – 7x2

a. 4x-12x^...

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