Mathematics, 22.03.2020 19:08 hma9153

Sergey is solving 5x2 + 20% – 7 = 0. Which steps could he use to solve the quadratic equation by completing the
square? Select three options.
5(x2 + 4x + 4) = -7 + 20
X+2 = + 27
5(x2 + 4x) = 7
5(x2 + 4x + 4) = 7 + 20
5(x2 + 4x) = -7

Answers: 3

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Sergey is solving 5x2 + 20% – 7 = 0. Which steps could he use to solve the quadratic equation by com...