Mathematics, 01.02.2020 21:46, danielroytman1

Which statement describes the first step to solve the equation by completing the square? 3x^2 + 18x= 21

multiply both sides of the equation by 19.

add 81 to each side of the equation.

add 9 to each side of the equation.

multiply both sides of the equation by 13 .

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Which statement describes the first step to solve the equation by completing the square? 3x^2 + 18x...