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Math

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Write each expression as the product of two binomials.
1) a^3 - 3a^2 + 3a - 9
2) 2x^2 - 3x^2 - 4x + 6

  • Math -

    use grouping

    the first:
    a^3 - 3a^2 + 3a - 9
    = a^2(a - 3) + 3(a - 3)
    = (a - 3)(a^2 + 3)

    do the 2nd the same way.

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