Question

find the root of x2-3x-10=0​

Answer 1

Answer:

x² -5x +2x -10=0

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

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

x=5 or -2

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Answer 2

Answer:

x = 5 / -2

Step-by-step explanation:

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

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