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Difference of Perfect Squares  Problem 5
Brian McCall
Brian McCall
Univ. of Wisconsin
J.D. Univ. of Wisconsin Law school
Brian was a geometry teacher through the Teach for America program and started the geometry program at his school
After you factor any problem, you'll want to get into the habit of checking to see if any factor can be factored further. One common occurrence is that one of your factors will be a difference of perfect squares. The examples here show these differences of perfect squares that are embedded into other factoring problems.
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Brian McCall
B.S. in Chemical Engineering, University of Wisconsin
J.D. University of Wisconsin Law School (magna cum laude)
He doesn't beat around the bush. His straightforward teaching style is effective and his subtle midwestern accent is engaging. There's never a dull moment with him.
so my teacher can't explain this in 5 weeks but I learn this in less than 3 minutes”
its hard to focus when the teacher is really really really goodlooking”
i like how it took you 3 minutes and 8 seconds to accomplish what my teacher couldn't in 3 days”
Concept (1)
Sample Problems (8)
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Difference of Perfect Squares
Problem 1 7,203 viewsFactor:
x² − 16 
Difference of Perfect Squares
Problem 2 6,612 viewsFactor:
16x² − 81 
Difference of Perfect Squares
Problem 3 5,504 viewsFactor:
x⁶ − 4y² 
Difference of Perfect Squares
Problem 4 963 views 
Difference of Perfect Squares
Problem 5 889 views 
Difference of Perfect Squares
Problem 6 849 views 
Difference of Perfect Squares
Problem 7 972 views 
Difference of Perfect Squares
Problem 8 1,007 views
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