Mathematics, 05.05.2020 22:06 grangian06

A student solved a quadratic equation as shown here:

2x^2+5x=12

x(2x+5)=12

x=12 or 2x+5=12

x=12 or 2x+5-5=12-5

x=12 or 2x=7

x=7/2,12

Explain the errors in the process. then correct the errors, and solve the equation.

Answers: 3

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You know the right answer?

A student solved a quadratic equation as shown here:

2x^2+5x=12

x(2x+5)=12