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OpenStudy (anonymous):
Solve the system algebraically: - x + y = 4 y = x^2 - 4x + 2
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OpenStudy (unklerhaukus):
add x to both sides of the first equation, they you have two expressions for y which means they are equal equate them and solve
OpenStudy (anonymous):
x+4=x^2-4x+2 0=x^2-5x-2
OpenStudy (anonymous):
use the quadratic formula...
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