SOLUTION: Perform indicated operations and simplify these problems. 4a-7a[5-7(a+2)]= (7x-3y)(x=5y)= (8u+3v)^2= (3x-3xy+y^2)(x^2+6xy+y^2)= Thanks in advance

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Perform indicated operations and simplify these problems. 4a-7a[5-7(a+2)]= (7x-3y)(x=5y)= (8u+3v)^2= (3x-3xy+y^2)(x^2+6xy+y^2)= Thanks in advance      Log On


   

Question 211570: Perform indicated operations and simplify these problems.
4a-7a[5-7(a+2)]=
(7x-3y)(x=5y)=
(8u+3v)^2=
(3x-3xy+y^2)(x^2+6xy+y^2)=
Thanks in advance
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4a-7a[5-7(a+2)]
4a-7a(5-7a-14)
4a-7a(-7a-9)
4a+49a^2+63a
49a^2+67a
a(49a+67)ans.
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(7x-3y)(x+5y)
7x^2-3xy+35xy-15y^2
7x^2+32xy-15y^2 ans.
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(8u+3v)
(8u+3v)
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64u^2+24uv+24uv+9v^2
64u^2+48uv+9v^2 ans.
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(3x-3xy+y^2)
(x^2+6xy+y^2)
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3x^3-3x^3y+x^2y^2+18x^2y-18x^2y^2+6x^2y^3+3xy^2-3xy^3+y^4
3x^3-3x^3y-17x^2y^2+18x^2y+6x^2y^3-3xy^3+y^4 ans.