Jacquelinegri Jacquelinegri

13-09-2018
Mathematics

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Find the product (2x+5)^3 . Write your answer in standard form

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grujan50 grujan50

13-09-2018

Formula for this case is

(a+b)∧3=a∧3+3a∧2b+3ab∧2+b∧3

(2x+5)∧3=(2x)∧3+3*(2x)∧2*5+3*2x*5∧2+5∧3=8 x∧3+3*4x∧2*5+3*2x*25+125=

=8x∧3+60x∧2+150x+125

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