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donnie1999

  • one year ago

Select the factored form of the expression. If it cannot be factored, select” already in factored form” 100x^2-9 a. (10x+9)(10x-9) b. (10x+3)(10x-3) c. Already in factored form d. (10x-3)(10x-3)

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  1. Nnesha
    • one year ago
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    difference of square \[\huge\rm a^2 - b^2 = (a+b)(a-b)\]

  2. donnie1999
    • one year ago
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    @Nnesha im confused

  3. Nnesha
    • one year ago
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    take square root of first term and square root of 2nd term write ur answer (sqrt of first number + sqrt of 2nd number ) (sqrt of first number - sqrt of 2nd number )

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