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Linear Algebra Examples

(3 + 7 i) - (- 4 + i)

$(3 + 7 i) - (- 4 + i)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

3 + 7 i - - 4 - i

$3 + 7 i - - 4 - i$

Step 1.2

Multiply

- 1

$- 1$ by

- 4

$- 4$ .

3 + 7 i + 4 - i

$3 + 7 i + 4 - i$

3 + 7 i + 4 - i

$3 + 7 i + 4 - i$

Step 2

Simplify by adding terms.

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Step 2.1

Add

3

$3$ and

4

$4$ .

7 + 7 i - i

$7 + 7 i - i$

Step 2.2

Subtract

i

$i$ from

7 i

$7 i$ .

7 + 6 i

$7 + 6 i$

7 + 6 i

$7 + 6 i$

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$