Teacher/User Name: DEMO Name:__________________________ Practice ProblemsBy Easy Worksheet Period: ________ Date: ____________

### Solve

1) Fill in the proof to simplify: (2x -1 + x2 -2x + 1) - 2x + 1:

StatementReason
(2x -1 + x2 -2x + 1) - 2x + 1
(x2 -2x + 1 + 2x -1) - 2x + 1
x2 -2x + 1 + (2x -1 - 2x + 1)
x2 -2x + 1 + 0
x2 -2x + 1

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

2) Fill in the proof to simplify: 2(-3x2 + x + 4) + 4(-3x2 + x + 4):

StatementReason
2(-3x2 + x + 4) + 4(-3x2 + x + 4)
(2 + 4)(-3x2 + x + 4)
(6)(-3x2 + x + 4)
-18x2 + 6x + 24
3) Fill in the proof to simplify: -4(-4x2 + 4x -4) - 5(-4x2 + 4x -4):

StatementReason
-4(-4x2 + 4x -4) - 5(-4x2 + 4x -4)
(-4 - 5)(-4x2 + 4x -4)
(-9)(-4x2 + 4x -4)
36x2 -36x + 36

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

By Easy Worksheet

4) Fill in the proof to simplify: (-4 + x2 + x + 1) + 4:

StatementReason
(-4 + x2 + x + 1) + 4
(x2 + x + 1 - 4) + 4
x2 + x + 1 + (-4 + 4)
x2 + x + 1 + 0
x2 + x + 1

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