-30= 5 (x+1 )
-5 from 5= 0
-5 from -30= -35
-35= (x+1)
1/-35= -35
Sqrt(x^2) = sqrt(20)
x = +2sqrt(5)
x = -2sqrt(5)
x1 = (- 0 + sqrt(0^2 - 4*1*(-20))) / (2*1)
X2 = (-0 - sqrt(0^2 - 4*1*(-20))) / (2*1)
A7=2*5^n-1
2*5^(7-1)
2*5^6
2*15625
31250= a7
The third answer is correct. If the area is 144, then s squared must equal 144. To find s, you find the square root of 144.
