(2x+3)*(3x-2)-(5x+5)*(x+4)-x*(20-x)

Question

(2x+3)*(3x-2)-(5x+5)*(x+4)-x*(20-x)

Answer 1

2x+3+3x-2-5x-5+x+4-x+20-x
2x+3x-5x+x-x-x=3-2-5+20
-x=16

Comments

x=16:-1

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x=-16