Simplify the expression (3x^2+4x-3)-(2x-1)

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asked Apr 24, 2016 155k views

3 votes

Simplify the expression (3x^2+4x-3)-(2x-1)

Mathematics
middle-school

Viktor Jovanovski asked

by Viktor Jovanovski

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$(3x^2+4x-3)-(2x-1) = 3x^2 + 4x -3 -2x + 1\\\\ = 3x^2 + 4x -2x -3 + 1\\\\ = \boxed{3x^2 +2x -2}$

Mustapha Larhrouch answered Apr 25, 2016

by Mustapha Larhrouch

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3 votes

$(3x^2 + 4x - 3) - (2x - 1) \\ \\ 3x^2 + 4x - 3 - 2x + 1 \\ \\ 3x^2 + 4x - 3 - 2x + 1 \\ \\ 3x^2 + (4x - 2x) - 3 + 1 \\ \\ 3x^2 + 2x - 3 + 1 \\ \\ 3x^2 + 2x - 2 \\ \\ Answer: 3x^2 + 2x - 2$

Werner Lehmann answered Apr 30, 2016

by Werner Lehmann

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