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Popular >

expand (z-5)^2

Solution

expand

(z - 5)^{2}

Solution

z^{2} - 10 z + 25

Solution steps

(z - 5)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(z - 5)^{2} = z^{2} - 2 z \cdot 5 + 5^{2}

= z^{2} - 2 z \cdot 5 + 5^{2}

Simplify

z^{2} - 2 z \cdot 5 + 5^{2} : z^{2} - 10 z + 25

= z^{2} - 10 z + 25

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Frequently Asked Questions (FAQ)

What is expand (z-5)^2 ?
The solution to expand (z-5)^2 is z^2-10z+25