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4 June, 11:10

What is the sum of 4x² + 2x - 5 and 722 - - 5x + 2?

1122 - 32 - 3

1122 - 32 + 3

1122 + 30 - 3

1102 + 3x + 3

I would be guessing

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Answers (1)
  1. 4 June, 12:52
    0
    Sum of 4x² + 2x - 5 and 7x² - 5x + 2 is 11x² - 3x - 3.

    Solution:

    Given expression:

    4x² + 2x - 5 and 7x² - 5x + 2

    To find the sum of these expressions.

    Sum of 4x² + 2x - 5 and 7x² - 5x + 2

    = (4x² + 2x - 5) + (7x² - 5x + 2)

    = 4x² + 2x - 5 + 7x² - 5x + 2

    Arrange the terms with same power together.

    = 4x² + 7x² + 2x - 5x - 5 + 2

    = 11x² - 3x - 3

    Sum of 4x² + 2x - 5 and 7x² - 5x + 2 is 11x² - 3x - 3.
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