Question

If f(x)=sqrt x-x and g(x)+2^3-sqrt x-x, find f(x)-g(x)

Answer 1

A

Explanation:

f(x) - g(x)

=
`√(x)` - x - (2x³ -
`√(x)` - x) ← distribute parenthesis by - 1

=
`√(x)` - x - 2x³ +
`√(x)` + x ← collect like terms

= - 2x³ + 2
`√(x)`