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Find the roots of the following quadratic equation by factorisation 1. X²-3x-10=0 |
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Answer» x²-5x+2x-10=0 x(x-5) +2(x-5) = 0 (x-5) (x+2) = 0 (x-5) =0 or (x+2) =0 x=5 or x= -2 => x²-5x+2x-10=0 => x(x-5) +2(x-5) = 0=> (x-5) (x+2) = 0 => (x-5) =0 or (x+2) =0=> x=5 or x= -2 x²-5x+2x-10=0x(x-5) +2(x-5) = 0(x-5) (x+2) = 0(x-5) =0 or (x+2) =0x=5 or x= -2 |
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