Adding and Subtracting Polynomials

Simplify the expression: 2x + 4x.

• 4x

• -6x

• 6x

• 8x

Simplify the expression: 4 + 6x - 9 - 7x.

• -5 - x

• -5 + 6x

• 2

• 7x + 4

Simplify the expression: p + 10 + 1 - 3p.

• -2p + 11

• 0

• 4p

• p

Simplify the expression: -10n + 6 + 2.

• -3n + 5

• 9n

• -18n + 8

• -10n + 8

Simplify the expression: r - 10 - 6r.

• -2r + 13

• -11r + 13

• 8r + 13

• -5r - 10

Simplify the expression: -9a - 5a.

• -14a

• -a

• 3a

• -7a

Simplify the expression: -8v + 9v.

• -8v - 1

• v

• -2v - 1

• 2v - 1

Simplify the expression: 10m + 4 + 9.

• 10m + 13

• -17m

• -2m

• -6m - 4

Simplify the expression: 2(4 + 9x).

• 16x + 61

• 16x + 48

• 8 + 18x

• 16x + 56

Simplify the expression: 3(10p - 9).

• 30p - 29

• 30p - 27

• 30p + 27

• 21p - 35