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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math
Get ready for AP® Calculus
Get ready for limits and continuity
Factoring quadratics with difference of squares
Factoring difference of squares: leading coefficient ≠ 1
Factoring difference of squares: leading coefficient ≠ 1
Sal factors 45x^2-125 as 5(3x+5)(3x-5).
License: CC BY-NC-SA by Khan Academy