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Popular >

simplify (7+2i)(9-6i)

Solution

simplify

(7 + 2 i) (9 - 6 i)

Solution

75 - 24 i

Solution steps

(7 + 2 i) (9 - 6 i)

Apply complex arithmetic rule:

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

= (7 \cdot 9 - 2 (- 6)) + (7 (- 6) + 2 \cdot 9) i

Simplify

(7 \cdot 9 - 2 (- 6)) + (7 (- 6) + 2 \cdot 9) i : 75 - 24 i

= 75 - 24 i

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1/3 (4a+1)= 1/2 a

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Frequently Asked Questions (FAQ)

What is (7+2i)(9-6i) ?
The solution to (7+2i)(9-6i) is 75-24i