Question

2) calcule as edições de polinõmios:
(5X^2+4X^2-2X+1) +(-5X^3-4X^2+7X-3=



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Answer 1

Oie, Td Bom?!

$= (5x {}^{2} + 4x {}^{2} - 2x + 1) + ( - 5x {}^{3} - 4x {}^{2} + 7x - 3)$

$= (9x {}^{2} - 2x + 1) - 5x {}^{3} - 4x {}^{2} + 7x - 3$

$= 9x {}^{2} - 2x + 1 - 5x {}^{3} - 4x {}^{2} + 7x - 3$

$= 5x {}^{2} + 5x - 2 - 5x {}^{3}$

$= - 5x {}^{3} + 5x {}^{2} + 5x - 2$

Att. Makaveli1996