Anonymous
Topics: Science
Using the difference of squares formula, (x^4 - 81) factors out completely to be (x^2 + 9)(x - 3)(x + 3).
Yep! x squared minus 81 is factored down to (x-9)(x+9) - ! Rate us! Reply with...
To solve (x-4)^2=81 you need to square each side. After finding x-4=9 it is simple...
Factoring x squared minus 9y plus 81 would be y=1/9(x^2+81) ad that is how you...
x^2 - 4 is how do you factor out x squared minus 4. for now.
Using the difference of squares formula x squared minus 4 can be factored to...
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