Question

Simplify . 7(8-1)+(-1) ^)2/1+2^2

Answer 1

`(50)/(5) = 10`

Explanation:

`\frac{7(8 - 1) + ( - 1 {)}^(2) }{1 + {2}^(2) }`

`\frac{7 * 7 + ( - 1 {)}^(2) }{1 + {2}^(2) } = \frac{7 * 7 + 1}{1 + {2}^(2) }`

`(7 * 7 + 1)/(1 + 4) = (49 + 1)/(1 + 4) = (49 + 1)/(5)`

`= (50)/(5) = 10`