- $\rhd$ Solving quadratic equations by factoring (6:21) Sal solves $s^2-2s-35 = 0$
- $\star$ Solving quadratic equations with leading coefficient 1 (i.e., of the form $x^2 +bx+c = 0$).
- $\rhd$ Solving quadratic equations with leading coefficient not equal to one (4:35) Example solved: $6x^2 – 120x + 600 = 0$.
- $\star$ Solving quadratic equations with leading coefficient not equal to one, i.e., of the form $ax^2 +bx +c = 0$ where $a \neq 1$.
- $\rhd$ Solving quadratics using structure (3:55) Solve the equation
by making the substitution
.
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