If a side of cube is incresed by 3 cm its volume should incresd by 657 cm^3
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let A side of cube be 'x'
If x increased by 3 cm then the volume = (x+3)౩
as per the problem volume increased by 657 cm౩
(x+3)౩=x౩+657
x౩++9x^2+27x+27=x౩+657
9x^2+27x-630=0
x=7
Side of cube =7 cm౩
If x increased by 3 cm then the volume = (x+3)౩
as per the problem volume increased by 657 cm౩
(x+3)౩=x౩+657
x౩++9x^2+27x+27=x౩+657
9x^2+27x-630=0
x=7
Side of cube =7 cm౩
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the answer is 7 cm square
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