valeriegarcia12
19.04.2021 •
Mathematics
If g(x) = x + 3 then g(?) = 6
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Ответ:
3x^4-2x^3 + (-15)x²-14x
Step-by-step explanation:
hello :
(x² – 2x)(3x² + 4x – 7)=3x^4+4x^3-7x²-6x^3-8x²-14x
= 3x^4+(4-6)x^3 + (-7-8)x²-14x
= 3x^4-2x^3 -15x²-14x