SOLUTION: 64v^3-125 (Factor sum or difference of 2 cubes?) Please help!
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Question 89542
This question is from textbook
Elementary and Intermediate Algebra
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64v^3-125 (Factor sum or difference of 2 cubes?) Please help!
This question is from textbook
Elementary and Intermediate Algebra
Answer by
scott8148(6628)
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a^3+b^3 factors into (a+b)(a^2-ab+b^2) ... a^3-b^3 factors into (a-b)(a^2+ab+b^2)
64v^3-125=(4v)^3-5^3 ... using the template ... (4v-5)(16v^2+20v+25)