Classification, Addition and Subtraction of Polynomials

(9x + 8a) + (6x + a) =

• 15x + 9a

• 15x + 8a

• 14x + 9a

• 14x + 8a

Find the sum.

(3x² + x³ - 5) + (4x² - 4x + 2x³ + 8)

• 3x³ + 7x² - 4x + 3

• 4x² + 3x³ - x + 3

• -x⁴ + 2x³ - x - 4

• 4x³ + 3x² - 3x + 1

Simplify the following expression.

• 3x³ +8x

• x³+3x² +8x

• 2x² +8x

• x³-3x³ +8x²

• 3x³+5x²+3x+15

• 3x³+6x²+3x+16

• 3x³+6x²+3x+15

• 2x³+5x²+2x+16

• A
• B
• C
• D

• 23x^5_11x

• -5x⁵-x

• 23x⁵+11x

• 5x⁵+x

• -10x²-9

• 10x²-9

• -5x²-2x-6

• -5x²-4x-9

(5 + 3x) + (x - 12) =

• 4x + 7

• 4x - 7

• 7x - 4

• 4x - 17