45=(x+5)(3/7)

Solution for 45=(x+5)(3/7) equation:

45=(x+5)(3/7)

We move all terms to the left:

45-((x+5)(3/7))=0

We add all the numbers together, and all the variables

-((x+5)(+3/7))+45=0

We multiply parentheses ..

-((+3x^2+5*3/7))+45=0

We multiply all the terms by the denominator


-((+3x^2+5*3+45*7))=0


We calculate terms in parentheses: -((+3x^2+5*3+45*7)), so:

(+3x^2+5*3+45*7)

We get rid of parentheses

3x^2+5*3+45*7

We add all the numbers together, and all the variables

3x^2+330

Back to the equation:

-(3x^2+330)


We get rid of parentheses

-3x^2-330=0

a = -3; b = 0; c = -330;
Δ = b2-4ac
Δ = 02-4·(-3)·(-330)
Δ = -3960
Delta is less than zero, so there is no solution for the equation