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OpenStudy (anonymous):
if I have an expression like this: 3x^2 - 48. Can I complete perfect square trinomials?
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OpenStudy (anonymous):
dont get it
jhonyy9 (jhonyy9):
divid all with 3 and hence you will get 1. x=4 and 2. x=-4
jhonyy9 (jhonyy9):
or you will can writing (x-4)x(x+4) after you have divided it with 3
OpenStudy (anonymous):
got it
OpenStudy (anonymous):
3x^2 - 48 = 3(x^2 - 16) = 3(x-4)(x+4)
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