SOLUTION: Please help me understand how to complete problems such as Factor completely: {{{ 9a^2

SOLUTION: Please help me understand how to complete problems such as Factor completely: {{{ 9a^2 - 24ab + 16b^2}}} Thanks

Question 42489: Please help me understand how to complete problems such as
Factor completely:
Thanks
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
If you need a detailed solution on how to factor trinomials such as this, see my three (3) recently posted Lesson Plans in algebra.com under the topic of Quadratic Equations:

"More Factoring in Living Color in Quadratic_Equations."
"Factoring Difference of Squares in Living Color in Quadratic_Equations."
"Factoring Trinomials in Living Color in Quadratic_Equations. "

To solve the current problem, start with the first times first, which is probably 3a*3a

Next look at the last term, which has to be a 16b^2. This is probably a 4b*4b.

Next, since the last term is positive, the signs must be the SAME. Since the middle term is -24ab, the signs must be NEGATIVE.

R^2 at SCC

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