Question

find the roots of the following quadratic equtions by factorisation ;


${ x}^{2} - 3x - 10 = 0$
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Answer 1

Answer:

${x}^{2} - 3x - 10 = 0 \\ (x - 5)(x + 2) = 0 \\ \\ x - 5 = 0 \: - > x = 5 \\ \\ x + 2 = 0 \: - > x = - 2$