(9-0.3x)(5-0.1x)=0

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Solution for (9-0.3x)(5-0.1x)=0 equation: 



(9-0.3x)(5-0.1x)=0

We add all the numbers together, and all the variables

(-0.3x+9)(-0.1x+5)=0

We multiply parentheses ..

(+0x^2+0x+0x+45)=0

We get rid of parentheses

0x^2+0x+0x+45=0

We add all the numbers together, and all the variables

x^2+2x+45=0

a = 1; b = 2; c = +45;
Δ = b2-4ac
Δ = 22-4·1·45
Δ = -176
Delta is less than zero, so there is no solution for the equation

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