## Algebra: A Combined Approach (4th Edition)

3$x^{2}$ + 4 = x - 1 Substitute 1 for x and solve the expression: 3*$1^{2}$ + 4 = 1 - 1 3 + 4 = 1 - 1 7 $\ne$ 0 Since both sides are not equal, 1 is not a solution to the equation.