STEM

# Easy Ways to Solve Quadratic Equations

57 CQ
11 Lessons
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6. Difference of Perfect Squares
A lesson with Wiederhold's Wonderful World of Math

If two terms in a binomial are perfect squares separated by subtraction, you can factor them using the difference of perfect squares. Learn how in this lesson!

If two terms in a binomial are perfect squares separated by subtraction, you can factor them using the difference of perfect squares. Learn how in this lesson!

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5 CQ
7. Imaginary & Complex Numbers
A lesson with Wiederhold's Wonderful World of Math

Working with complex numbers is easier than you think! In this algebra lesson, learn how to add, subtract and multiply complex and imaginary numbers.

Working with complex numbers is easier than you think! In this algebra lesson, learn how to add, subtract and multiply complex and imaginary numbers.

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5 CQ
A lesson with Wiederhold's Wonderful World of Math

Don't let the appearance of the quadratic formula intimidate you! Learn how to use it to solve quadratic equations in this essential algebra lesson.

Don't let the appearance of the quadratic formula intimidate you! Learn how to use it to solve quadratic equations in this essential algebra lesson.

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3 CQ
A lesson with Wiederhold's Wonderful World of Math

In this algebra lesson, learn how the discriminant of a quadratic formula can help you predict and visualize the graphs and roots of quadratic equations.

In this algebra lesson, learn how the discriminant of a quadratic formula can help you predict and visualize the graphs and roots of quadratic equations.

• Playing
3 CQ
10. Completing the Square | Pt 1
A lesson with Wiederhold's Wonderful World of Math

With two easy-to-understand examples, Wiederhold's Wonderful World of Math demonstrates step-by-step how to complete the square to solve a quadratic equation.

With two easy-to-understand examples, Wiederhold's Wonderful World of Math demonstrates step-by-step how to complete the square to solve a quadratic equation.

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