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OpenStudy (anonymous):
Did I simplify these correctly?
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OpenStudy (anonymous):
(4x+y)(4x-y)=16x^2-y^2
OpenStudy (anonymous):
2x^2(3x^3-7)=6x^5-7
OpenStudy (anonymous):
uhhh, yes you did
OpenStudy (anonymous):
(3x+1)(2x-3)=6x^2-9x+2x-3 =6x^2-7x-3
jimthompson5910 (jim_thompson5910):
2x^2(3x^3-7)=6x^5-7 is incorrect
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jimthompson5910 (jim_thompson5910):
first one is correct though
jimthompson5910 (jim_thompson5910):
(3x+1)(2x-3)=6x^2-9x+2x-3 =6x^2-7x-3 is correct
OpenStudy (anonymous):
Thank you!
jimthompson5910 (jim_thompson5910):
np
jimthompson5910 (jim_thompson5910):
what did you get for 2x^2(3x^3-7) after you fixed it
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OpenStudy (anonymous):
6x^5-14x^2
jimthompson5910 (jim_thompson5910):
better
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