Use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9
Answer:
The student made the first mistake in step 2.
Step-by-step explanation:
Take a better pic and i will explain in comment
1) 6
2) -27
3) -34
PLS AMRK AS BRAINLIEST
