Question

How do you evaluate `(b^2-2c^2)/(a+c-b)` given a=12, b=9, c=4?

Answer 1

`7`

Explanation:

`(b^2-2c^2)/(a+c-b)`

given: `a=12,b=9,c=4`

`:.=((9)^2-2(4)^2)/(12+4-9)`

`:.=(81-32)/7`

`:.=49/7`

`:.=7`