What is the quadratic equation whose roots are x = 3 and x = -3?
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Step-by-step explanation:
x= 3 » x-3 =0
x = -3 » x+3 = 0
(x-3)(x+3) = 0
x² - 9 = 0
formula (a+b)(a-b) = (a²-b²)
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