Mathematics, 15.10.2019 13:50, barbar12345

1. find the difference. (-6x + 2y -3) - (2x - 4y - 7)
a. -8x + 6y + 4
b. -8x - 2y - 10
c. -4x - 2y - 4
2. find the difference. (4x2 + 3x + 2) - (2x2 + 2x + 1)
a. 2x2 + 5x + 3
b. 2x2 + x + 1
c. 2x2 - x - 1
3. find the sum. (-6x + 2y - 3) + (2x - 4y - 7)
a. -4x -2y - 10
b. -8x -6y - 10
c. -4x + 2y + 4

Answers: 2

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1. find the difference. (-6x + 2y -3) - (2x - 4y - 7)
a. -8x + 6y + 4
b. -8x - 2y - 10