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# Factoring perfect squares: negative common factor

Sal factors -4t^2-12t-9 as -1(2t+3)^2. Created by Sal Khan and Monterey Institute for Technology and Education.

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# Factoring perfect squares: negative common factor

Current time:0:00Total duration:3:52

0 energy points

Sal factors -4t^2-12t-9 as -1(2t+3)^2. Created by Sal Khan and Monterey Institute for Technology and Education.