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Mathematics 17 Online
OpenStudy (anonymous):

Factor the polynomial by grouping: 54a^2-9ab-18b^2

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

no, i hate math so much lol

OpenStudy (skullpatrol):

The fist guide line for factoring polynomials is to factor out the greatest monomial factor first.

OpenStudy (skullpatrol):

$$\huge 54a^2-9ab-18b^2$$

OpenStudy (skullpatrol):

What is the GCF of 54, 9, and 18?

OpenStudy (skullpatrol):

GCF means Greatest Common Factor

OpenStudy (skullpatrol):

@ktawneil are you still there?

OpenStudy (skullpatrol):

Do you recall what a "factor" is?

OpenStudy (skullpatrol):

When two or more numbers are multiplied each of the numbers is a "factor" of the product.

OpenStudy (skullpatrol):

@ktawneil Are you still there?

OpenStudy (skullpatrol):

Do you still care?

OpenStudy (anonymous):

Hi. I wasn't on here anymore last night. It says to factor it by grouping. Ive done a grouping problem before but it had 4 numbers.

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