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What is the solution(s) to f(x) = g(x), where f(x) = x^2−2 and g(x) = 5x − 8

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What is the solution(s) to f(x) = g(x), where f(x) = x^2−2 and g(x) = 5x − 8 1 4 5 2 7 3 6-example-1
User Jpaljasma
by
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1 Answer

6 votes

If f(x)=g(x), than x²-2=5x-8

Now we need to solve this equation


x^2-2=5x-8\\x^2-5x+6=0\\D=b^2-4ac=(-5)^2-4*6=25-24=1=√(1) ^2\\x_1=(5+1)/(2)=3\\ x_2=(5-1)/(2) =2

Answer: 2, 3

User Sycx
by
8.3k points

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