Question

Make five equations starting x=-5?

Answer 1

if x= -5,
y= -10 find 2x-3xy
y= -15 find 9x2 + 42y2
y=60 find x+y ( -6x+ (-3y))
y=-23 find x +y. (x.y)
y= 655 find x.y (x+y) (x-y)