Answer:
x = -7
Step-by-step explanation:
-1 + x = -8
x = -7
Given a quadratic equation

1. the first thing we do when we want to compete the square, is write the coefficient of x as 2 times a number.
In our case the coefficient of x is 10, so we write 10 as 2*5
2. then we write +

and -

to the expression:



Answer:
Answer:
y=-6x/square root (4x^2-160
Step-by-step explanation:
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