Solve the simultaneous equations y = 11x + 3 y = 4x2 (4x squared) please help! x
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Hello, Originally Posted by xxxjjxxx Solve the simultaneous equations y = 11x + 3 y = 4x2 (4x squared) please help! x $\displaystyle 4x^2=y=11x+3$ -> $\displaystyle 4x^2=11x+3$ ---> $\displaystyle 4x^2-11x-3=0$ $\displaystyle \Delta=121+4 \cdot 4 \cdot 3=13^2$ Can you continue?
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