anonymous
  • anonymous
x^2+12x+36-y^2 Factor
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
The factors are of the form (ax + by + c)(dx+ey+f) Hopefully you can work out a few of those letters immediately (by the coefficients of x^2 and y^2), and then the last few
anonymous
  • anonymous
You look at the first three terms and you factor those three. x^2 + 12x + 36 = (x + 6)(x + 6) which is (x + 6)^2 then you have (x + 6)^2 - y^2 so you have the difference of two squares. (x + 6 + y)(x + 6 - y) is the answer
anonymous
  • anonymous
Damn, I actually prefer your method, but I guess I am used to factorising things where comparing coefficients is the only way and there are no neat tricks such as that.

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