Question

simplifique os polinômios​

Answer 1

3)a)10x²y²+7x²y²z²

17z²

b)5b²+3ab²+9a²-5c

c)16x³-8x⁶=8x⁹

4)(x-2y)+(2x+y)=

2x²+xy-4xy-2y²=

2x²-2y²

b)(2x+y)-(y+3)=

2xy+6x+y²+3y=

3y³-8x²y²

c)(x-2y).(y+3)=

xy+3x-2y²+6y

5)(2x²-9x+2)+(3x²+7x-1)=

5x⁴-2x²-1

b)(5x²+5x-8)+(-2x²+3x-2)=

3x²+8x²-10=

-10

c)(3x-6y+4)+(4x+2y-2)=

5x-4y²+2

6)(5x²-4x+7)-(3x³+7x-1)=

2x⁵+11+8=

2x⁵+19

b)(6x²-6y+9)-(3x³+8y-2)=

3x⁶+2y²-11

c)(4x-y-1)-(9x+y+3)=

5x²-2y-4

7)3(x+y)=

3x+3y

b)7(x-2y)=

7x-14y

c)2x(x+y)=

2x²+2xy

d)2x(x³-2x+5)=

2x⁴-4x²+10x=

8x³

8)(12x²-8x)÷(2x)=

6x-4x=

2x

b)(3y²+6y)÷(3y)=

1y+2y=

3y²

c)(x²+x⁴+x⁶)÷(x⁷)=

x-⁵+x-³+x-¹=

x⁹

d)(3x²y+9xy⁴)÷(3xy)=

1xy+3xy³=

4x²y⁴