Algebra 1 4.2.1 Add and Subtract Polynomials

Find the sum (2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x²+ 5x -7

• -2x² + 11x -4

Simplify (2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

Simplify (4x³ - 5x² + 3x) + (-2x³ - x² + 6x)

• 2x³ - 6x² - 9x

• 2x³ + 6x² + 9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x

Simplify (4x³ + 5x² + 3x) + (-2x³ +1x² + 6x)

• 2x³ - 6x² - 9x

• 2x³ + 6x² + 9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x

Simplify (-8v⁴ + 4v³ + 3v) + (- 8v⁴ + 4v - 7)

• -17v⁴ + 4v³ + 2v - 7

• -16v⁴ + 4v³ + 10v - 7

• -16v⁴ + 4v³ + 7v - 7

• -16v⁴ + 4v³ + 2v - 7

Combine (3x - 4) + (12x + 10)

• x - 12

• 15x + 6

• 36x + 40

• 17x + 9,000

Simplify (9x + 17) + (19x - 27)

• 28x + 44

• 28x - 10

• -28x + 10

• -171x - 459

Simplify (2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x²+ 5x -7

• -2x² + 11x -4

Add the polynomials. (2x + 5y) + (3x - 2y)

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy

Find the sum. (3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 4y³ + 3y² -3y + 1