i think of an odd number greater than 5 . it's a factor of both 18 and 36 what is my number
x^4 - 4x^2 -4=0 midelterm this
k^2-9
3x^2-3x-6
10000/125 = ?
a^2-16ab-36b^2
s=x*y(z-2)
677/8
4x^2+11x-15
m*2+4m+4-n*2