Question

Find d x square + X - 306
is equal to zero

Answer 1

answer

X=17,-18 is the correct answer

Step-by-step explanation:

x^2+x-306=0

x^2+18x-17x-306=0

X(X+18)-17(X+18)=0

(x-17)(X+18)

x-17=0; X+18=0

so,X=17 and X=-18 is the answer