What is the simplified form of (- 7+ 8i) - (- 5i + 4i?)?
2 answers:
Answer: 7-
Step-by-step explanation:
Answer:
9 i - 7
Step-by-step explanation:
Simplify the following:
-7 + 8 i - (-5 i + 4 i)
Hint: | Combine like terms in -5 i + 4 i.
-5 i + 4 i = -i:
-7 + 8 i - -i
Hint: | Multiply all instances of -1 in -(-i).
(-1)^2 = 1:
-7 + 8 i + i
Hint: | Add the numbers in -7 + 8 i + i together.
Add like terms. -7 + 8 i + i = -7 + 9 i:
Answer: 9 i - 7
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Answer:
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this is how i see it..... 4 5ths plus 2 equals 10
This one bc there’s one point vertically and there’s no more than one point when you draw a vertical line down
