3 years ago

Add and write the result in the form a+bi. a. (4 + 2i) + (-6 - 7i)

Mathematics

1 answer:

lions [1.4K]3 years ago

7 0

Answer:

- 2 - 5i

Step-by-step explanation:

Given

(4 + 2i) + (- 6 - 7i) ← remove the parenthesis

= 4 + 2i - 6 - 7i ← collect like terms

= - 2 - 5i

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3 years ago

4-7x +3 +5x pleas help thanks

meriva

Answer:

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Step-by-step explanation:

1 Collect like terms.

(4+3)+(-7x+5x)

(4+3)+(−7x+5x)

2 Simplify.

7-2x

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3 0

3 years ago

Read 2 more answers

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Lana71 [14]

Answer:

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Step-by-step explanation:

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6 0

3 years ago

.............................

gladu [14]

Answer: D. 2,800

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5 0

3 years ago