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anonymous
 one year ago
I am trying to solve the equation (5x4)(4x+8)=0 using factoring. I keep getting stuck on this problem. Could someone please answer and explain how you got your answer? Thanks you! :)
anonymous
 one year ago
I am trying to solve the equation (5x4)(4x+8)=0 using factoring. I keep getting stuck on this problem. Could someone please answer and explain how you got your answer? Thanks you! :)

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jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2If A*B = 0, then either A = 0 or B = 0

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2So using that idea, we can go from (5x4)(4x+8)=0 to 5x4 = 0 or 4x+8 = 0

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2Do you see how to finish up?

DecentNabeel
 one year ago
Best ResponseYou've already chosen the best response.0\[\mathrm{Using\:the\:Zero\:Factor\:Principle:}\] \[\mathrm{Solve\:}\:5x4=0:\quad x=\frac{4}{5}\] \[\mathrm{Solve\:}\:4x+8=0:\quad x=2\] \[\mathrm{The\:final\:solutions\:\to\:the\:quadratic\:equation\:are:}\] \[x=\frac{4}{5},\:x=2\] the answer is .. \[\left(5x4\right)\left(4x+8\right)=0\quad :\quad x=\frac{4}{5},\:x=2\]
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