Question

Solve 3(xx)+x-5 using the first principle

Answer 1

`3x^2+x-5`

Explanation:

`3\left(xx\right)+x-5`

Remove parenthesis

`3xx+x-5`

Multiply
`x * x=x^2`

`3x^2+x-5`

Answer 2

3x²+x-5

Explanation:

= 3(xx)+x-5

According to the rule, when bases are same powers are to be added.

= 3(x¹x¹)+x-5

= 3(x¹⁺¹)+x-5

= 3x²+x-5