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X²-12x+32=0 by completing method |
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Answer» x2-12x+32=0 x2+4x+8x+32=0 (x+8)(x+4)=0 (x+8)=0 x=-8 (x+4)=0 x=-4 x2-12x+32=0 KE shunyak -4,-8 he |
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