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[Square root equations] Why does 2(2z^(2) - 3z - 2) = 0 factor into 2 (2z +1)(z-2)=0 and not 2z^(2) -4z + z - 2 =0 ?
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[Square root equations] Why does 2(2z^(2) - 3z - 2) = 0 factor into 2 (2z +1)(z-2)=0 and not 2z^(2) -4z + z - 2 =0 ?
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[Square root equations] Why does 2(2z^(2) - 3z - 2) = 0 factor into 2 (2z +1)(z-2)=0 and not 2z^(2) -4z + z - 2 =0 ?
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[Square root equations] Why does 2(2z^(2) - 3z - 2) = 0 factor into 2 (2z +1)(z-2)=0 and not 2z^(2) -4z + z - 2 =0 ?
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