1/2(x+2)(3x+15)=105

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Solution for 1/2(x+2)(3x+15)=105 equation: 



1/2(x+2)(3x+15)=105

We move all terms to the left:

1/2(x+2)(3x+15)-(105)=0



Domain of the equation: 2(x+2)(3x+15)!=0

x∈R



We multiply parentheses ..

1/2(+3x^2+15x+6x+30)-105=0

We multiply all the terms by the denominator


-105*2(+3x^2+15x+6x+30)+1=0

Wy multiply elements

-210x(++1=0

We use the square of the difference formula

-210x(+1=0

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