SOLUTION: I'm having a difficult time with this problem could I get some assistance please? Solve the system of equations by substitution: Y=X^2+2X-2 AND y=3x+4

SOLUTION: I'm having a difficult time with this problem could I get some assistance please? Solve the system of equations by substitution: Y=X^2+2X-2 AND y=3x+4

Algebra.Com

Question 31285: I'm having a difficult time with this problem could I get some assistance please?
Solve the system of equations by substitution:
Y=X^2+2X-2 AND y=3x+4
Answer by troyapplehelen(46) (Show Source): You can put this solution on YOUR website!
y=X^2+2X-2
y=3X+4, so, X^2+2X-2 = 3X+4
then, x^2+2x-2-3x-4=0
x^2-x-2=o
(x-2)(x+1) = 0 ;t/f, x is 2 or -1.
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