Question

Solve 6x^(-2)+x^(-1)=2

Answer 1

Multiply both sides by x^2.

Answer 2

That is a quadratic equation with solutions -3/2 and 2.

Answer 3

Shouldn't I multiply by x^-2?

Answer 4

no multiply by x^2 is correct , giving:
6 + x = 2x^2
2x^2 - x - 6 = 0
u can solve this by factorisation

Answer 5

\[how \to find the inverse of y = x^3-x+2\]