X/3 +10=15
-10 -10
x/3 =5
so the x will be 15 because if you multiply 3x5 = 15
Answer: V, V, (-5, -5.5)
Step-by-step explanation:
Answer:
180
Step-by-step explanation:
Answer:
I don't understand the array of numbers as written in the question.
Step-by-step explanation:
See attached image
Answer:
-10,10
Step-by-step explanation:
The given quadratic equation is

The discriminant of this equation is given by;

where a=k, b=20, c=k
For rational solutions, the discriminant must be zero.

Simplify to get:

This implies that:


Take square root to get:


