Simplifying Polynomials

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

(x-1) + (2x+ 3)

• 3x + 2

• 2x² + 4

• 3x + (-2)

• 2x + 2

6(x+7) + (x+3)

• 2x + 21

• 7x + 10

• 42 + 45x

• 7x + 45

(7a + 4) - (9a + 2)
^{(its subtraction not addition)}

• -2a + 6

• 16a + 6

• -2a + 2

• 2a + 2

Simplify.

7(11x + 12) + 9x

Mathematical Equivalence

ON

Match the following

• x + 7

• 5 + 4x - 3x + 2

• 0

• abc - abc

• 7x + 3

• 5 + 4x + 3x - 2

• 0

• 3x - 9 - 3x + 9

• 4ab - 8

• 3ab - 4 + ab - 4

(10x + 2) - (8x - 4)

• 2x - 2

• 2x + 6

• 18x + 6

• 18x - 2

(x + 9y + 5) – (-8x + 4y – 7)

• -7x + 5y + 12

• 9x + 9y + 12

• -7x + 13y + 12

• 9x + 5y + 12

(6x + 3y + 4) – (8x + 9y)

• -2x - 6y

• -2x - 6y + 4

• 2x + 6y + 4

• 14x + 12y + 4

Find the difference:
(2x + 7) - 3(5x - 4)

• -13x - 5

• 17x + 5

• 17x + 5

• -13x + 19