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Factoring Trinomials, a = 1  Problem 9
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
Factoring is a process of turning a sum or difference into a product. Many times students think of this in terms of how length times width of a rectangle is equal to the area. The trinomial we're given represents the area, and draw a 2 x 2 box to show the pieces of the area. The upper left box must be xsquared, and the bottom right must be the "c" value. We guess and check the remaining two diagonal boxes to get a sum of "b". The length and width labels represent the binomial factors of the original trinomial "area."
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
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Sample Problems (11)
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Factoring Trinomials, a = 1
Problem 1 13,719 viewsFactor:
x² + 12x + 20 
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Problem 2 9,357 viewsFactor:
p² + 3p − 10 
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Problem 3 8,278 viewsFactor:
m² − 7m + 10 
Factoring Trinomials, a = 1
Problem 4 7,366 viewsFactor:
x² + 9x − 20 
Factoring Trinomials, a = 1
Problem 5 1,171 views 
Factoring Trinomials, a = 1
Problem 6 867 views 
Factoring Trinomials, a = 1
Problem 7 851 views 
Factoring Trinomials, a = 1
Problem 8 822 views 
Factoring Trinomials, a = 1
Problem 9 1,227 views 
Factoring Trinomials, a = 1
Problem 10 760 views 
Factoring Trinomials, a = 1
Problem 11 925 views
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