Question

what substitution should be used to rewrite 4x^12-5x^6-14=0 as a quadratic equation?​

Answer 1

Answer:

Step-by-step explanation:

4x12-5x6-14=0, the highest power of the variable in this equation is 12 so to make it a quadratic equation we should replace x12 by y2. Hence to rewrite the given equation as quadratic just substitute x6=y.