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The product of and the difference of and is increase by the product of 4 and the sum of and . Write down the given expression. Calculate the value of the expression for and .
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Note: This problem has dynamic elements. This means elements such as numbers and consequently the step-by-step solution and the final answer may change overtime. Therefore, there may be a difference between a problem that is published online and the same problem exported into a PDF document.
The given expression is:
The value of the expression for and is .
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and the difference of 
and 
is increase by the product of 4 and the sum of 
and 
and 
.
and 
.
