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OpenStudy (anonymous):
Choose the correct product of (5x + 4)2. 25x2 + 40x + 16 25x2 − 16 25x2 + 16 25x2 − 40x + 16 @Compassionate
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OpenStudy (compassionate):
Hello, this is all to the power of two. You want to expand the entire binomial. (5x + 4)(5x + 4) Now use the foil method 25x^2 is the first term, can you do the other 3?
OpenStudy (anonymous):
The third one?
OpenStudy (compassionate):
5x * 5x 5x * 4x 4 * 5x 4 * 4 Multiply these, then add the like terms, and you're done!
OpenStudy (anonymous):
why 5x * 4x ?
OpenStudy (luigi0210):
|dw:1370297035439:dw|
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