The functions f(x) = 2x²+2x-1 and g(x)=x²+5x+3 are equal to each others then find the value of x.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

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How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?