Question

Use U-Substitution to solve the following polynomial. 4x4 + 2x2 – 12 = 0

Answer 1

Answer:

Solution We substitute the value 3 for x in the equation and see if the left-hand member equals the right-hand member. 4(3) - 2 = 3(3) + 1. 12 - 2 = 9 + 1.