Simplify the polynomial
3x^2 + 6 – 2x + 5x – 4x^2 + 9
a –x^2 + 3x + 15
b 7x^2 + 3...
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Mathematics, 30.08.2019 23:50 hdjehd
Simplify the polynomial
3x^2 + 6 – 2x + 5x – 4x^2 + 9
a –x^2 + 3x + 15
b 7x^2 + 3x + 3
c x^2 – 3x + 15
d –x^2 + 7x + 15
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