Using factorization, find the roots of the quadratic equation: y ²-3= 0
[Hint: 3 =( ) ² ].

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Using factorization, find the roots of the quadratic equation: (x + 5) ²â€“36 = 0.
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Using factorization, find the roots of the quadratic equation: (2x + 3) ²=81.
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Using factorization, find the roots of the quadratic equation: a ²z ²-b ²=0.
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² =0.