What us the completely factored form of the quadratic expression 3^2-30x-72

Step-by-step explanation:

I'm going to guess that you mean 3x^2

3x^2 - 30x - 72                 Take out 3 as a common factor

3(x^2 - 10x - 24)

This factors into

3(x - 12)(x + 2)

If you have a common factor, take it out. It makes finding an answer that much easier.

Step-by-step explanation:

-3(10x+21)

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Step-by-step explanation: