SOLUTION: I need help solving this exponential equation 5x2-3x=625

Question 129921: I need help solving this exponential equation

5x2-3x=625
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
5X^2-3X-625=0
USING THE QUADRATIC EQUATION WE GET:

X=(3+-SQRT[-3^3-4*5*-625])/2*5
X=(3+-SQRT[9+12500])/10
X=(3+-SQRT12,509)/10
X=(3+-111.84)/10
X=(3+111.84)/10
X=114.84/10
X=11.484 ANSWER.
X=(3-111.84)/10
X=-108.84/10
X=-10.884 ANSWER.
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