Hello :
x²+x - 2 =0
a=1 b=1 c = -2
<span>The sum of the roots is : S = -b/a
</span>S = - 1/1 = -1
Answer:
20+56 or basically 76
Step-by-step explanation:
Just multiply -8 to -2.5 and -7.
Just one
11x+25=7x+15
11x - 7x = 15 -25
4x = -10
x = -10/4
x = -5/2
Answer:
n=40
Step-by-step explanation: