For two numbers, a & b, define the operation, "&" by: a&b = 2a(a-b)?

a). Find the value of 3 %26amp; 2


b). For what exact values of x is: 4 %26amp; x=42?


c). For what exact values of x is: x %26amp; 4 =42?

For two numbers, a %26amp; b, define the operation, "%26amp;" by: a%26amp;b = 2a(a-b)?
"unknown" does not seem read answers at all!


politics only!
Reply:a) Is a 'plug and chug' problem. Just put the numbers in and chug out the answer.





b) and c) Also just substitution and simplification problems.





I'm reluctant to just do these for you. What would you learn that way?