A student solved a quadratic equation as shown here.
2x2 + 5x = 12
x (2x+5) = 12
x = 12or 2x + 5 = 12
x = 12or 2x + 5 - 5 = 12 - 5
X
x = 12or 2x = 7
x = 120r x = {
x = }, 12
Explain the errors in the process. Then correct the errors, and solve the equation.
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