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OpenStudy (anonymous):
3(x+4)^2-10=5 solve
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OpenStudy (jlastino):
Square (x+4) (x+4)^2 = x^2 +8x + 16 3(x^2+8x+16) - 10 =5 3x^2+ 24x + 48 - 10 =5 3x^2 + 24x +38 = 5 3x^2 + 24 +33 =0 x^2 + 8x +11 =0 use quad. formula a=1 b=8 c=11
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