Question

x2 - 3x - 10 =0 solve the following by factoring​

Answer 1

Answer:

Step-by-step explanation:

x2 - 3x -10 = 0

x2 - 5x + 2x - 10 = 0

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

(x-5)(x+2)

x-5 = 0 or x+2 = 0

x = 5 OR x = -2

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Answer 2

Given:-

Equation

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

Solution:-

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

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

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

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

$(x - 5) = 0 \: or \: x + 2 = 0$

$x = 5 \: or \: - 2$

Hence, x = 5; -2