Factoring Trinomials Guess and Check

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Learn how to factor trinomials using the guess and check method in this free math video tutorial by Mario's Math Tutoring.

0:21 How to use the FOIL acronym to factor trinomials
0:36 Example 1 Factoring Trinomial with leading coefficient of 1.
2:34 Example 2 Factoring Trinomial with leading coefficient NOT 1.
4:04 Example 3 Factoring Trinomial with leading coefficient NOT 1.

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- Mario

MariosMathTutoring
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only math video on​ youtube that actually has helped in my high school career

jacobtello
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Victor, I'm glad the video helped!

MariosMathTutoring
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This video is really good. U made me understand in less than 6 mins, but my teacher couldn’t made me understand this more than 1 hour

VinesMoviesPranksVMP
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my math teacher on that pack thanks vro

Mac-oxow
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thanks!! this is great so as to understand what's going on;

AlessandroZir
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Wow i know its not part of my lesson but this could definetly help me in my next school years

marlonjustineceballos
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The thing about this is that there's so many possible combinations, I might never get it right. Is there a way to narrow it down?

gamergrill
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Our entire class be watching this simultaneously.

justinwu
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This has helped me so much in understanding how this method works, it is definitely up to me now how to use it with bigger numbers, and sometimes uglier ones at that.

kinggrappler
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Thank you for teaching me how to teach! Best video I have found on my favorite factoring method

yourmathtutorvids
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does anyone know the answer to the example he didnt solve?

WJS
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This is awesome! Thank you so much for this tips. Question though, for the first terms does it matter where we put them? Like for example for 6x^2-23x+15 can I do (2x ) and then (3x ) or just focus on the last terms and signs? Thanks

ashleyxiao
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using this video during virtual school

agent
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what happens if a is negative in the trinomial

flexnrex