Question

find the roots of the quadratic equation
$x {}^{2} + 3x - 10 - 0$
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Answer 1

Answer:

according to question :-

x^2 + 3x - 10 - 0

x^2 + 3x - 10

x^2 + 5x - 2x - 10

x (x+5) - 2 (x+5)

(x+5) (x-2)

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Answer 2

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Answer:

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

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

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

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

$x+5=0 , x-2=0$

$x= -5,2$

So, the roots of the given equation are -5 and 2

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