![]() Completing the square on the left side, we get 2 (x + 2) 2 - 5 = 0. The given equation in the standard form is 2x 2 + 8x + 3 = 0. Step - 3: Solve it for x (We will have to take square root on both sides along the way).Įxample: Solve 2x 2 + 8x = -3 by completing the square. ![]() If you want to know how to complete the square, click here.
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