Question

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*

Answer 1

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