Question

if y=x2-3x-4 find 8 solutions of x
for a parabola
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Answer 1

y=2x-3x-4

y=-x-4

x=-4-y

4+y=-x

2x-3x=y+4

x-3x=y+4/2

-2x=y+4/2

x=y+4/2×-2

-3x-2x=y+4

x=y+4/-3×-2