Question 192814
X+X^2=132
X^2+X-132=0
(X+12)(X-11)=0
X=-12 ANS.
X-11=0
X=11 ANS.
PROOFS:
-12-12^2=132
-12+144=132
132=132
11+11^2=132
11+121=132
132=132