Question

x(20-x)=100 solve this ​

Answer 1

HEY MATE!

HERE IS YOUR ANSWER:

STEP BY STEP EXPLANATION :

x(20-x)=100

20x-x^2=100

x^2-20x+100=0

x^2-10x-10x+100=0

x(x-10)-10(x-10)=0

(x-10)(x-10)=0

x=10

HOPE IT HELPED ^_^

Answer 2

Answer:

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Step-by-step explanation: