Simplify: -10+3r+2r squared-r
1 answer:
Step-by-step explanation:
using
The quadratic general formula
which is
r= -b±√(b²-4ac)
---------------
2a
b= coefficient of r=3
a = coefficient of r²=2
c= constant or number without any variable=-10
r= -3±√(3²-(4×2×-10)
-----------------------
2×2
r=-3±√(9-(-80)
----------------
4
r= -3±√(9+80)
------------
4
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hope this helps!
Answer:
Yes! The weekend is time where you get a break from school/homework and relax! :)
10:2 or 10 to 2
Glad I could help