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6 May, 00:53

Simplify

(2x^{2} - 5x + 3) - (-x^{2} + 4x - 5)

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Answers (1)
  1. 6 May, 04:17
    0
    3x^2 - 9x + 8

    Step-by-step explanation:

    To simplify:

    Distribute the - 1 into the second term. Collect and combine like-terms (terms with the same variables or powers)

    The expression can be rewritten has (2x^2 - 5x + 3) - 1 (-x^2 + 4x - 5)

    After distributing the - 1, the equation becomes:

    (2x^2 - 5x + 3) + (x^2 - 4x + 5)

    The like-terms are:

    2x^2 and x^2 - 5x and - 4x 3 and 5

    Combine the like-terms:

    2x^2 + x^2 = 3x^2 - 5x - 4x = - 9x 3 + 5 = 8

    Substitute the simplified like-terms into the expression, in descending order:

    3x^2 - 9x + 8
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