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Hi!!!!! PLS HELP!!! THXXX!! ALSO JUST MAKE SURE TO SHOW UR WORK :)

Hi PLS HELP THXXX ALSO JUST MAKE SURE TO SHOW UR WORK class=

Sagot :

Answer:

3

Step-by-step explanation:

Start by factoring the original equation

4x^2 - 4x - 120 =

4(x*2 - x - 30)

Then compare to each:

1. 2(2x^2 - 2x - 60) can be further factored: 4(x^2 - x - 30), so it works.

2. Correct also

3. 4(x+6)(x-5) = 4(x^2 + x - 30), so it does not work.

4. 4x(x - 1) - 120 = 4x^2 - 4x - 120, when factored it is 4(x^2 - x - 30) so it also works.

(3) I, II, and IV

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