8x^2=56 tell which methods you would use to solve the quadratic equation. explain your choices.

Question

Mathematics

Phoenix Ibarra

3 May, 01:20

8x^2=56 tell which methods you would use to solve the quadratic equation. explain your choices.

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Answers (1)

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Jase English · Answer 1

6x^2 - 216 = 0 divide both sides by 6

x^2 - 36 = 0

x^2 = 36

x = 6 and - 6

8x^2 = 56

x^2 = 7

x = square root (7), and - square root (7)

5x^2 - 10x = 0 factor out a 5x

5x (x - 2) = 0 so, 5x = 0 and x - 2 = 0

x = 0 and 2