20=14-2(5a+2)a=

Solution for 20=14-2(5a+2)a= equation:

20=14-2(5a+2)a=

We move all terms to the left:

20-(14-2(5a+2)a)=0


We calculate terms in parentheses: -(14-2(5a+2)a), so:

14-2(5a+2)a

determiningTheFunctionDomain
-2(5a+2)a+14

We multiply parentheses

-10a^2-4a+14

Back to the equation:

-(-10a^2-4a+14)


We get rid of parentheses

10a^2+4a-14+20=0

We add all the numbers together, and all the variables

10a^2+4a+6=0

a = 10; b = 4; c = +6;
Δ = b2-4ac
Δ = 42-4·10·6
Δ = -224
Delta is less than zero, so there is no solution for the equation