If x = −4 Is a Root of |x 2 3; 1 x 1; 3 2 x| = 0, Then Find the Sum of the Other Two Roots
Given x=−4 satisfies the determinant equation |x 2 3; 1 x 1; 3 2 x|=0, expand it into a cubic and find the sum of the remaining two roots.
Given x=−4 satisfies the determinant equation |x 2 3; 1 x 1; 3 2 x|=0, expand it into a cubic and find the sum of the remaining two roots.