solve the following equation and verify the answer in each case. 15(x-4)-2(x+3)(x+8)=0
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15(x-4)-2(x+3)(x+8)=0
15x-60-2x-6(x+8)=0
15x-60-2x(x+8)-6(x+8)=0
15x-60-2x^2-16x-6x-48=0
-2x^2-7x-108=0
2x^2+7x+108=0
2x^2+7x+108=0
2x^2+4x+3x+108=0
2x(x+2)+3(x+18)=0
15x-60-2x-6(x+8)=0
15x-60-2x(x+8)-6(x+8)=0
15x-60-2x^2-16x-6x-48=0
-2x^2-7x-108=0
2x^2+7x+108=0
2x^2+7x+108=0
2x^2+4x+3x+108=0
2x(x+2)+3(x+18)=0
pranayrai:
according to the book its wrong...
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