What could be the first step in solving the equation 13x^2+9=45?
A. Multiply both sides of the equation by 13.
B. Take the square root of both sides of the equation.
C. Add 9 to both sides of the equation.
D. Subtract 9 from both sides of the equation.
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Home » Mathematics » What could be the first step in solving the equation 13x^2+9=45? A. Multiply both sides of the equation by 13. B. Take the square root of both sides of the equation. C. Add 9 to both sides of the equation. D.