Mathematics, 15.01.2021 18:00 maddie7155

jess solved the quadratic equation z' + 12 = 12 but made a mistake. Her work is shown below. Identify the step(s) in which a mistake was made. Step 1: 2 - 11 - 12 = 0 Step 2: (2-4) (3 + 3) = 0 Step 3:3 - 4 = 0 or +3=0 Step 4:2= -4 or = -3

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jess solved the quadratic equation z' + 12 = 12 but made a mistake. Her work is shown below. Identif...

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