Question

X^2−1.78x, if x=2.78

Answer 1

2.78

Explanation:

We are given the expression
`x^2-1.78x`

As we know that x=2.78, we can plug that value into the expression and simplify it

`(2.78)^2-1.78(2.78)\\\\7.7284-4.9484\\\\2.78`