P3 ADDING AND SUBTRACTING POLYNOMIALS

Add to Simplify:
 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Find the sum. 
(3 - 2x + 2x²) + (4x - 5 + 3x²)

• 7x - 7x + 5x²
• 5x² + 2x - 2
• 5x²
• 5x² + 6x + 8

(3x²+xy-5y²) +
(2x²-xy+3y²)

• 5x²-2xy+8y²
• 5x²-2y²
• 5x²+2y²
• 5x²+2xy-8y²

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4

Add or Subtract to Simplify:
(4x²+ x) - (x²+ 2x)

• 3x² - x
• 4x² + 2x
• 3x² + 3x
• 3x² + 2x

Combine like terms to simplify:
 (5x + 2) + (4x + 5)

• 9x -7
• -9x-11
• 9x+7
• x+7

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

• 6x²-8x+4

• 4x²-16x+4

• 6x²-16x-4

• 4x²-8x+4

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

Add or Subtract to Simplify:
 $\left(4x^2+x\right)-\left(x^2+2x\right)$  

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x