brezzy2 brezzy2

25-05-2016
Mathematics

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four expression are shown below
1. 2(2x^2-2x-60)
2. 4(x^2-x-30)
3. 4(x+6)(x-5)
4. 4x(x-1)-120
The expression 4x^2-4x-120 is equivalent to which one above
could be more than one

Respuesta :

25-05-2016

Hello,

A :4x²-4x-120=2(2x²-2x-60) is TRUE

B: 4x²-4x-120=4(x²-x-30) is TRUE

C: 4(x+6)(x-5)=4(x²+x-30) is FALSE

D: 4x(x-1)-120=4x²-4x-120 is TRUE

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