Solving quadratics by taking square roots examples | High School Math | Khan Academy
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Solving quadratics by taking square roots examples | High School Math | Khan Academy
Sal solves the equation (x+3)²-4=0 and finds the x-intercepts of f(x)=(x-2)²-9. Watch the next lesson: https://www.khanacademy.org/math/high-school-math/math2/math2-quadratics/math2-quadratics-square-root/v/order-of-steps-exercise-example?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath Missed the previous lesson? https://www ...
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