Mathematics, 20.05.2020 18:57 lanaasad7733

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What could be the first step in solving the equation 13x² + 9 = 45?

A. Add 9 to both sides of the equation.
B. Multiply both sides of the equation by 13.
C. Subtract 9 from both sides of the equation.
D. Take the square root of both sides of the equation.

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