SOLUTION: can you please help me ! Simplify the expression {{{ x^2-4x+4(x^2+2x-5) }}}

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: can you please help me ! Simplify the expression {{{ x^2-4x+4(x^2+2x-5) }}}      Log On


   

Question 188317: can you please help me !
Simplify the expression +x%5E2-4x%2B4%28x%5E2%2B2x-5%29+
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2-4x%2B4%28x%5E2%2B2x-5%29+ Start with the given expression.


+x%5E2-4x%2B4%28x%5E2%29%2B4%282x%29%2B4%28-5%29+ Distribute


+x%5E2-4x%2B4x%5E2%2B8x-20+ Multiply


+5x%5E2%2B4x-20+ Combine like terms.


So +x%5E2-4x%2B4%28x%5E2%2B2x-5%29+=+5x%5E2%2B4x-20