Asked by nabiha
solve:
y=x-1, y=x squared+2x-7
y=x-1, y=x squared+2x-7
Answers
Answered by
Reiny
set y = y
x^2 + 2x - 7 = x - 1
x^2 + x - 6 = 0
(x+3)(x-2) = 0
x = -3 or x = 2
sub back into one of the original equations to find the corresponding y value.
x^2 + 2x - 7 = x - 1
x^2 + x - 6 = 0
(x+3)(x-2) = 0
x = -3 or x = 2
sub back into one of the original equations to find the corresponding y value.
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