Media Summary: Sal solves (2x-3)^2=4x-6 by substituting p for 2x-3 and obtaining the simpler equation p^2=2p. Watch the next lesson: ... 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: ... Sal solves 6x²-120x+600=0 by first dividing by 6 and then factoring. Watch the next lesson: ...
Solving Quadratics Using Structure Mathematics Ii High School Math Khan Academy - Detailed Analysis & Overview
Sal solves (2x-3)^2=4x-6 by substituting p for 2x-3 and obtaining the simpler equation p^2=2p. Watch the next lesson: ... 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: ... Sal solves 6x²-120x+600=0 by first dividing by 6 and then factoring. Watch the next lesson: ... Given that a+b=2a, Sal finds an expression equivalent to b-a. Watch the next lesson: ... Sal solves x²-2x-8=0 by rewriting the equation as (x-1)²-9=0 (which is done by completing the square!). Watch the next lesson: ... This algebra video tutorial explains how to
