Gisele Solved the quadratic equation X2 + 5x - 6 equals zero by factoring her work is shown below Step 1 X2 + 5x - 6 equals 0 Step 2 (x + 2) x + 3 (equals zero step 3 x + 2 equals 0, x + 3 equals 0 step 4 x equals negative 2 or x equals negative 3 step 5 negative 2, negative 3 gasele plugged her solution into the original equation and found that they did not work and which Step did she first made a mistake