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reason

  • 3 years ago

25a^2+5a-42 factor trinomial

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  1. reason
    • 3 years ago
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    @Safari321

  2. Safari321
    • 3 years ago
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    a(25a+5)-42 = (5a-6)(5a+7)

  3. some_someone
    • 3 years ago
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    \[25a^2+5a-42\] \[(5 a-6) (5 a+7)\] \[a = -\frac{ 7 }{ 5 }\] \[a = \frac{ 6 }{ 5 }\]

  4. reason
    • 3 years ago
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    so it is (5a-6)(5a+7)

  5. Safari321
    • 3 years ago
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    yes some_someone is showing what the a could equal

  6. some_someone
    • 3 years ago
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    Yes :)

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