3x^2-7x-2=0
x=-0.26
x=2.59
answers in 3s.f.
x=7+y, 4x=6-2y = {x=(10/3), y=-((11/3))}
sphere volume=(4/3)ㅠr3
184/(4/3) = 138
138/pi = 43.9267642933631127
sqrt3(43.9267642933631127) = 3.5283885540070255616
radius = 3.53
good
the answer is -26
fraction is equal to divide. use divide button with braket
