Solve (2-i)^2 - ScanMath

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Type your math problem... (2-i)^2

x

Question

Simplify the expression

3 - 4 i

Evaluate

(2 - i)^{2}

Use (a - b)^{2} = a^{2} - 2 ab + b^{2} to expand the expression

2^{2} - 2 \times 2 i + i^{2}

Multiply the terms

2^{2} - 4 i + i^{2}

Evaluate the power

2^{2} - 4 i - 1

Calculate

4 - 4 i - 1

Solution

3 - 4 i

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