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Factoring Polynomials Videos 14 videos

Factoring Trinomials of the Type ax^2 + bx +c
2329 Views

There are a variety of methods for factoring trinomials, Complete the square! Use the quadratic formula! Or be a genius and do it in your brain!

Factoring Polynomials
3383 Views

Factoring polynomials allows us to group things—and everything's always better in groups. Well... almost everything.

Factoring Polynomials by Grouping
10286 Views

Factoring polynomials by grouping is easy. You just combine like terms and then factor them out. Ta da!

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Factoring Polynomials 3383 Views


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Description:

Factoring polynomials allows us to group things—and everything's always better in groups. Well... almost everything.

Language:
English Language

Transcript

00:03

Factoring polynomials by grouping a la shmoop!

00:07

Grunkle.. goblinvilles newest architect was having trouble constructing a hovel his [Goblin architecht thinking of a design]

00:12

hovel looks like this if he doesn't finish it by sundown he will look like

00:17

this and you help grunkle simplify his blueprints.. the area of the hovel floor [Tomatoes hit grunkle in the face]

00:24

should be x squared plus 3 X plus 2 X plus 6 all those polynomials are making

00:30

Grunkle rather blue which is unfortunate since Grunkle is usually a lovely [Grunkle with dirt on his face crying]

00:33

emerald green good thing we can factor this polynomial by grouping.. the first

00:39

two terms have a common factor of X and the last two terms have a common factor [Two terms with common factor X and last two terms common factor of 2]

00:43

of two we can rewrite the polynomial as x times X plus 3 plus 2 times X plus 3. See

00:55

another factor we can pull out into both terms have X plus 3 as a factor we can [People browsing through binoculars over a lake]

01:01

pull out an x plus 3 from each, this gives us X plus 2 times X plus 3

01:07

happy factorization Grunkle all you have to do now is look at your blueprint to [Grunkle stood beside a rainbow with his hovel blueprint]

01:12

see what X is and x equals the length of a ferocious jungle Jabberwocky sorry [Jabberwocky chases Grunkle away]

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