Question

x^2+100x-3900 by factorization method ​

Answer 1

Step-by-step explanation:

x^2+100x-3900=0

x^2+130x-30x-3900=0

x(x+130)-30(x+130)=0

(x+30)(x-30)=0

x+30=0 or x-30=0

x= -30 or x=30