Basically i need to find the 6th step but I don’t really understand proofs and I need help.
1 answer:
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Answer:
Step-by-step explanation:
To find , we need to eliminate
in this system of equations:
(1)
(2)
From (1) and (2):
Then, we equalize both expressions and solve for :
Answer:
Step-by-step explanation:
for this equation
a=3
b= -5
c = -7
The sum of equal to
and the product is equal to
. All you do is replace the values. You can prove both of those using the quadratic formula.