Question

find the root of the following quadratic equation
x^2 - 3x -10 =0

Answer 1

Answer:

split up the middle term as -5and 3 then the roots are 5,-3

Answer 2

$\orange{\bold{\underline{\underline{Step - by - step-explanation:-}}}}$

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

${x}^{2} - 5x + 2x + 10 = 0$

$x(x - 5) + 2(x - 5) = 0$

$(x - 5)(x + 2) = 0$

Either,

${x-5 =0}$

${or, x= 5}$

Or,

${x+2 =0}$

${x = -2}$

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