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Popular Algebra >

expand 2pi*r^2(3-r)

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Solution

expand 2π⋅r2(3−r)

Solution

−2πr3+6πr2
Solution steps
2πr2(3−r)
Apply the distributive law: a(b−c)=ab−aca=2πr2,b=3,c=r=2πr2⋅3−2πr2r
=2⋅3πr2−2πr2r
Simplify 2⋅3πr2−2πr2r:−2πr3+6πr2
=−2πr3+6πr2

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Frequently Asked Questions (FAQ)

  • What is expand 2pi*r^2(3-r) ?

    The solution to expand 2pi*r^2(3-r) is -2pir^3+6pir^2

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