SOLUTION: Explain why we cannot square a sum by simply squaring each term of the sum. For example, (a+b)square 2 is not equal to a square + b square. Provide appropriate example.

Question 98700: Explain why we cannot square a sum by simply squaring each term of the sum. For example, (a+b)square 2 is not equal to a square + b square. Provide appropriate example.
Answer by doukungfoo(195) (Show Source): You can put this solution on YOUR website!
is not equal to where a and b are different numbers not equal to zero
.
is the square of the sum of two numbers
is the sum of two numbers that are squared
.
For an example we can plug in a value for the variables a and b
Let's set a=1 and b=2

9
Now if we plug in the same values for the variables a and b for

1+4
5
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