Question 75454
X-Y=12, X=Y+12
XY=17
(Y+12)Y=17
Y^2+12Y-17=0
USING THE QUADRATIC EQUATION WE GET:
X=(-12+-SQRT[-12^2-4*1*-17])/2*1
X=(-12+-SQRT[144+68])/2
X=(-12+-SQRT212)/2
X=(-12+-14.56)/2
X=(-12+14.56)/2
X=2.56/2
X=1.28 ANSWER.
X=(-12-14.56)/2
X=-26.56/2
X=-13.28 ANSWER.
1.28*100+(-13.28*50)
128-662.5
-535 FINAL ANSWER.