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Popular >

simplify (x-5)^2-4

Solution

simplify

(x - 5)^{2} - 4

Solution

x^{2} - 10 x + 21

Solution steps

(x - 5)^{2} - 4

Expand

(x - 5)^{2} : x^{2} - 10 x + 25

= x^{2} - 10 x + 25 - 4

Subtract the numbers:

25 - 4 = 21

= x^{2} - 10 x + 21

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Frequently Asked Questions (FAQ)

What is (x-5)^2-4 ?
The solution to (x-5)^2-4 is x^2-10x+21