28-04-2015
Mathematics

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x squared minus 9x plus 20 equals 0

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belcatya belcatya

28-04-2015

x²-9x+20=0
(x-4)(x-5)=0
x₁=4
x₂=5
Answer: x₁=4, x₂=5

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cclemeno cclemeno

28-04-2015

x^2- 9x+ 20 =0 factor (x-5) (x-4) =0 set each factor to 0 x-4=0 x=4 x-5= 0 x=5 hope this helps

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