4x\Xb2-225=0 Using Quadratic Equation By Extracting Square Roots

4x²-225=0 using quadratic equation by extracting square roots

Answer:

x = {+15/2,  -15/2}

Step-by-step explanation:

4x² - 225 = 0

4x² = 225

4x²/4 = 225/4

√(x²) = ± √(225/4)

x = ± 15/2

x = {+15/2,  -15/2}


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