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4x2-4x-3=0 can be written as (2x-3)(2x+1)=0

Anything times by 0 equals 0 ( the zero property of multiplication) therefore we need to make each one of these terms in brackets equal to 0.

so 2x-3=0 giving x=3/2

and 2x+1=0 giving x=-1/2

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14y ago

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