step-by-step explanation:
x^2 -12x + 36 + y^2 = 36
x^2 + y^2 = 12x
r^2 = 12rcos(theta)
r = 12 cos(theta)
sup
hello from mrbilldoesmath!
answer:
x - 3
discussion:
x^2 - 9 = (x-3) (x+3) so
(x^2-9)/ (x + 3) = x-3
you,
mrb
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