You halve the linear coefficient, square it, then add that to both sides. In this case:
(12/2)^2=6^2=36 so you would add 36 to both sides
x^2+12x+36=76 so that the left side is now a perfect square
(x+6)^2=76
Answer:
4 3/5
Step-by-step explanation:
Answer:
5) x=7
6) x=14
7) x=22
8) x=27
Step-by-step explanation:
Please see attached picture for full solution.
If 2 straight lines intersect, then the 2 angles opposite each other are equal.