Solve this equation

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Please solve this equation: (x^2)-(3*x)-10=0

Guest Jan 5, 2017

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Best Answer

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\(x²-3x-10=0\)

I could see that x=5 is a root for this equation (if we replace x by 5 we get 0)

That means I can factorize this equation like that:

\(x²-3x-10 = (x-5)(x+2)\)

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

\(x-5=0 \Rightarrow x=5\)or

\(x+2=0 \Rightarrow x=-2\)

Majid Jan 5, 2017

1⁺⁰ Answers

+101

+10

Best Answer

\(x²-3x-10=0\)

I could see that x=5 is a root for this equation (if we replace x by 5 we get 0)

That means I can factorize this equation like that:

\(x²-3x-10 = (x-5)(x+2)\)

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

\(x-5=0 \Rightarrow x=5\)or

\(x+2=0 \Rightarrow x=-2\)

Majid Jan 5, 2017

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