Answer:
12
Step-by-step explanation:
This is how to solve this
Answer:
x = ± 2i
Step-by-step explanation:
The equation has no real roots, gut has complex roots
Given
x² = - 4 ( take the square root of both sides )
x = ± 
= ± 
[ Note that
= i ]
= ±
×
= ± 2i
Answer:
1; -11+ 26 =15
2: 2- (-3) =5
3: 10+ (-4) = 7
4: 11 + -8 =3
5: -2 + 3 =1
6: 8 - 12 = -4
Step-by-step explanation:
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