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Popular >

expand (z-2)^2

Solution

expand

(z - 2)^{2}

Solution

z^{2} - 4 z + 4

Solution steps

(z - 2)^{2}

Apply Perfect Square Formula:

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

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

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

Simplify

z^{2} - 2 z \cdot 2 + 2^{2} : z^{2} - 4 z + 4

= z^{2} - 4 z + 4

Popular Examples

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\frac{2 ^{- 2}}{2 ^{3}}

\frac{100}{60}

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26 \cdot 3

simplify sqrt(8-12a)simplify

8 - 12 a

Frequently Asked Questions (FAQ)

What is expand (z-2)^2 ?
The solution to expand (z-2)^2 is z^2-4z+4