8+9-7=0-8
8=7
(x+2)(x-4)=0
4/84.2
x(x+3)=0
e-1/x>0
2×5[2+4(1.5)]+4-3
left parenthesis x plus 2 right parenthesis left parenthesis x minus 4 right parenthesis equals 0.
Solve x left parenthesis x plus 3 right parenthesis equals 0
what is the avarge of 98.11 and 73.93
