myrna was asked to create an equivalent form of the rational expression 56k^7-14k^3+14/7k^3. which of the following is the correct equivalent

(1 point)
Responses

8k4−2k+2k3
8 k to the 4th power minus 2 k plus the fraction with numerator 2 and denominator k cubed

8k4−2+2k3
8 k to the 4th power minus 2 plus the fraction with numerator 2 and denominator k cubed

8k4+2k3
8 k to the 4th power plus the fraction with numerator 2 and denominator k cubed

8k10−2k6+2k3

1 answer

The correct equivalent form of the rational expression is 8k^4 - 2 + 2k^3.