Question 793156
14 x - 4(9 x - 40) = 345 (solving for x)
14x-36x+160=345

-22x+160=345

-160

-22x=345-160

-22x=185

/-22

x=185/-22

5.25 x^4 – 8 = 15 (solve for x)


25x^4-8=15

25x^4=23

/25

x^4= 23/25

x^2= +/- sqrt(23)/5

x= +/- 4th root of 23/sqrt(5)