(x + 5)(x + 5)
x² + 10x + 25
We can simplify this expression using the FOIL method (which stands for First, Outer, Inner, Last).
First: Multiply the first terms of both factors, which gives x * x = x^2.
Outer: Multiply the outer terms of both factors, which gives x * 5 = 5x.
Inner: Multiply the inner terms of both factors, which also gives 5x.
Last: Multiply the last terms of both factors, which gives 5 * 5 = 25.
Now we can add up all four results to get the simplified form:
x^2 + 5x + 5x + 25
Simplifying, we get:
x^2 + 10x + 25
Therefore, (x + 5)(x + 5) simplifies to x^2 + 10x + 25.
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