add/subtract/multiply polynomials

Find the sum of the polynomial.
(-6x²+3x- 7) +(10x²+4x-2)

• 14x²+7x+5
• 4x²+7x-9
• 4x⁴+7x²-9

Tags

CCSS.HSA.APR.A.1

Find the sum of the polynomial.
(8x⁴- 2x³+9x²+7x+14) + (6x⁴-5x³-9x²-11x-9)

• 14x⁴- 7x³- 4x+ 5
• 14x⁸ -7x⁶-4x²+5
• 14x⁴-7x³+18x²-4x+23

Tags

CCSS.HSA.APR.A.1

Find the difference of the polynomial.
(4x³+6x²-9x+1) - (8x³+2x²-5x-1)

• 4x³ +4x² -4x +2
• -4x³ -4x² +4x 
• -4x³+4x²-4x+2

Tags

CCSS.HSA.APR.A.1

Find the product.
5x² (3x² +7x +6)

• 8x² +12x +11
• 15x⁴ +35x³ +30x²
• 15x³+12x²+11x

Tags

CCSS.HSA.APR.A.1

Find the product.
-2x (10x³ -9x² -7x + 4)

• 20x⁴+8x³+14x²+2x
• -20x⁴+18x³ +14x² -8x
• -20x³-18x²+14x-8x

Tags

CCSS.HSA.APR.A.1

Find the difference of the polynomial.
(12x⁴-6x²+ 2x+14) - (3x⁴ -5x³+9x +3)

• 9x⁴-11x³+11x²+17
• 9x⁴+11x³-6x²+7x+9
• 9x⁴ +5x³ -6x²- 7x+11

Tags

CCSS.HSA.APR.A.1

Simplify:
x³(2x² + 3x)=

• 2x⁵ + 3x⁴
• 2x⁶ + 3x³
• 3x⁶ + 4x⁴
• 3x⁵ + 4x⁴

Simplify:
4x² + 3x²

• 7x²
• 7x⁴
• 12x⁴
• 12x²

Simplify:
6x + 3 - 2x + 5

• 8x + 8
• 4x + 9
• 8x + 2
• 4x + 8

Simplify:
(x + 5)(x + 4)

• x² + 20x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² + 9x + 9