Mathematics
DenimRose
2016-09-22 00:20:24
At which points are the equations y = x2 + 5x − 2 and y = x + 1 equal?
ANSWERS
buffi52519
2016-09-22 06:57:28

[latex]x^2+5x-2=x+1\ x^2+4x-3=0\ x^2+4x+4-7=0\ (x+2)^2=7\ x+2=-sqrt7 vee x+2=sqrt7\ x=-2-sqrt7 vee x=-2+sqrt7[/latex]

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