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Popular >

simplify (7+7i)(-10+3i)

Solution

simplify

(7 + 7 i) (- 10 + 3 i)

Solution

- 91 - 49 i

Solution steps

(7 + 7 i) (- 10 + 3 i)

Apply complex arithmetic rule:

(a + bi) (c + d i) = (a c - b d) + (a d + b c) i

= (7 (- 10) - 7 \cdot 3) + (7 \cdot 3 + 7 (- 10)) i

Simplify

(7 (- 10) - 7 \cdot 3) + (7 \cdot 3 + 7 (- 10)) i : - 91 - 49 i

= - 91 - 49 i

Popular Examples

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3 (x + 2) + x = 4 (x - 1) + 9

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\frac{3}{2} + \frac{1}{5}

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179847.71 \cdot 0.04 \cdot \frac{1}{12}

x^{2} - 4 x - 5 = 0

Frequently Asked Questions (FAQ)

What is (7+7i)(-10+3i) ?
The solution to (7+7i)(-10+3i) is -91-49i