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What identity can be used to rewrite the expression 4x^2-9

What identity can be used to rewrite the expression 4x^2-9
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What identity can be used to rewrite the expression 4x^2-9

User Riaan Nel
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4x^2-9=4(x^2-9/4)=4(x-3/2)(x+3/2) i think that is correct answer.
User Return True
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