Answer:
13.85714
Step-by-step explanation:
Extend means to increase, add length to it, ADD.
2.826
+ 1.46
--------------
4.286
Answer:
x^2 -10x - 15 = 0
(don't know how far you want me to go)
Step-by-step explanation:
(x - 5)^2 = 40
(expand the brackets)
(x - 5)(x - 5) = 40
x^2 -5x -5x + 25 = 40
x^2 -10x + 25 = 40
x^2 -10x - 15 = 0
