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OpenStudy (anonymous):
Is the following problem simplified correctly? (4x+5)(10x+1)=40x^2+4x+15x+5 =40x^2+19x+20
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OpenStudy (anonymous):
it's 50x, not 15x (last but one on first row)
OpenStudy (anonymous):
Becomes 40x^2 + 54x +5
OpenStudy (jamesj):
Kudos to you bdboy0 for trying it first vs. just asking for the answer.
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