Answer:
5X²+7X-9-4X²-X+18
5X²-4X²+7X-X+18-9
X²+6X+9 =0
X²+(3X+3X)+(3×3)=0
ALL FACTORS ARE =3,3 that is pdt of factor 3×3 =9 sum =3+3 =6
(X+3) ( X+3) =0
X+3 =0
X=-3
ANS = X=-3
Step-by-step explanation:
