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Estudos Gerais • 05/16/2025

Efetue as operações. a) $4x^3 - 5x^2 + 7x - 2x^2 + x^3 - 10...

Efetue as operações.

a) 4x3−5x2+7x−2x2+x3−10−9x−7=4x^3 - 5x^2 + 7x - 2x^2 + x^3 - 10 - 9x - 7 =

b) (2y4−5y3+y−5)−(8y4−6y3+4y2−3y−5)(2y^4 - 5y^3 + y - 5) - (8y^4 - 6y^3 + 4y^2 - 3y - 5)

c) (2x−3x3)⋅(5x2+4x)=(2x - 3x^3) \cdot (5x^2 + 4x) =

d) (34x2+2y)⋅(8x−12y2)=\left(\frac{3}{4}x^2 + 2y\right) \cdot \left(8x - \frac{1}{2}y^2\right) =

e) (40x3−42x2+28x−8):(4x−1)=(40x^3 - 42x^2 + 28x - 8) : (4x - 1) =

f) (−6×4+22x3+35x−12):(−x+4)=(-6\times4 + 22x^3 + 35x - 12) : (-x + 4) =

Efetue as operações. a) $4x^3 - 5x^2 + 7x - 2x^2 + x^3 - 10 - 9x - 7 =$ b) $(2y^4 - 5y^3 + y - 5) - (8y^4 - 6y^3 + 4y^2 - 3y - 5)$ = c) $(2x - 3x^3) \cdot (5x^2 + 4x) =$ d) $\left(\frac{3}{4}x^2 + 2y\right) \cdot \left(8x - \frac{1}{2}y^2\right) =$ e) $(40x^3 - 42x^2 + 28x - 8) : (4x - 1) =$ f) $(-6\times4 + 22x^3 + 35x - 12) : (-x + 4) =$
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