To resolve this quadratic equation, take it the square source of both sides.

You are watching: Which is the solution of the quadratic equation (4y – 3)2 = 72?

Since the left side is a perfect square, it will simply be diminished to:4y - 3For the constant on the best side, the positive and an adverse roots should be considered.√72 = ±6√2Equating the two:4y - 3 = ±6√24y = 3 ± 6√2y = (3 ± 6√2)/4y = (3 + 6√2) / 4 = 2.87andy = (3 - 6√2) / 4 = -1.37

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