Answer:
-
Step-by-step explanation:
Answer:
-8<x<2
Step-by-step explanation:
Answer:
Here,

substituting the value of 4y in eqn i fron eqn ii
so eqn i becomes

So

Thus,

...hope this helps:)
x² - 4x - 12 = 0
Factor the left side: (x + 2) · (x - 6) = 0
The equation is true if either factor is zero.
If (x + 2) = 0 then x = -2 .
If (x - 6) = 0 then x = 6 .
4 is b( do on your calculator)
5 is b(do on your calculator)
6 is a