DUIVING Qudulal Equations by Factorin
Question 3
A student solved a quadratic equation a...
Mathematics, 05.05.2020 15:14 angel234wilcox
DUIVING Qudulal Equations by Factorin
Question 3
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= 12or 2x = 7
x= 12or x=?
x=1,12
Explain the errors in the process. Then correct the errors, and solve the equation.
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Answers: 3
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