crystal-skull
crystal-skull
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first one I-2x+3I=Ix-15I..............squaring both side 4x^2+9-12x=x^2+225-30x 3x^2+18x-216=0 x^2+6x-72=0 (x+12)(x-6)=0 x=-12,6
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first one I-2x+3I=Ix-15I..............squaring both side 4x^2+9-12x=x^2+225-30x 3x^2+18x-216=0 x^2+6x-72=0 (x+12)(x-6)=0 x=-12,6
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first one I-2x+3I=Ix-15I..............squaring both side 4x^2+9-12x=x^2+225-30x 3x^2+18x-216=0 x^2+6x-72=0 (x+12)(x-6)=0 x=-12,6