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Mathematics, 11.01.2020 18:31 angie249

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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What could be the first step in solving the equation 13x^2+9=45?
a. multiply both sides of th...
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