Math(Please check answer)

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Simplify each expression.

1)(sqrt7 + 5)(sqrt7 -6)


My answer is sqrt 7 - 30


Am I correct?

  • Math(Please check answer) -

    no, you forgot the middle terms

    (√7 + 5)(√7 - 6)
    = 7 + 5√7 - 6√7 - 30 , using FOIL
    = -23 - √7

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