2 answers:
Hello,
You don't know (a-b)(a+b)=a²-b²?
(-3)²=9
(5i)²=-25
Answer 9 +25=34
(-3 - 5i)(-3 + 5i)
-3(-3 + 5i) - 5i(-3 + 5i)
-3(-3) - 3(5i) - 5i(-3) - 5i(5i)
9 - 15i + 15i - 25i²
9 - 25(-1)
9 + 25
34
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3·m - 2/3 - 2·m + 1/4 = 2/12
m - 2/3 + 1/4 = 2/12
m = 2/12 - 3/12 + 8/12
m = 7/12
Answer:
Yes.
Step-by-step explanation:
Because yes.
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5, 1, 0.2
Step-by-step explanation:
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8/52
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