Answer:
0
Step-by-step explanation:
5a-3=5a-3
or, 5a-5a=-3+3
or, 0=0 answer
Answer:
the 2nd one
Step-by-step explanation:
Except there are values you want to substitute into the expression, this is what your answer looks like:
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:
the answer is d
Step-by-step explanation: