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Today, 01:12

What is the product of polynomials (2a - 7 + a2) and (5 - a) ?

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Answers (2)
  1. Today, 03:13
    0
    2a-7+a2 (5-a)

    multiply 5 to all terms 2a,-7, a2

    And - a to 2a,-7, a2

    2a (5) - 7 (5) + a2 (5) + 2a (-a) - 7 (-a) + a2 (-a)

    simplify

    10a-35+5a2-2a2+7a-a3

    rearrange and simplify

    -a3+5a2-2a2+10a+7a-35

    -a3+3a2+17a-35
  2. Today, 04:03
    0
    If I am correct, the answer should be 14a
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