SOLUTION: Solve the following simultaneous equation:
r^2 + s - 7 = 0; r - s = 5
Please show any working out and thank you in advance for your help
Algebra.Com
Question 37708: Solve the following simultaneous equation:
r^2 + s - 7 = 0; r - s = 5
Please show any working out and thank you in advance for your help
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
R=S-5 NOW SUBSTITUTING S-5 FOR R WE GET (S-5)~2+S=7 OR S~2-10S+25+S=7 OR
S~2-9S+18=0 OR (S-6)(S-3)=0 OR S=6 & S=3 THEN R=6-5 OR R=1 & R=3-5 OR R=-2
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