7*7+x*x=5*5+(10-x)2

Solution for 7*7+x*x=5*5+(10-x)2 equation:

7*7+x*x=5*5+(10-x)2

We move all terms to the left:

7*7+x*x-(5*5+(10-x)2)=0

We add all the numbers together, and all the variables

x*x-(5*5+(-1x+10)2)+7*7=0

We add all the numbers together, and all the variables

x*x-(5*5+(-1x+10)2)+49=0

Wy multiply elements

x^2-(5*5+(-1x+10)2)+49=0


We calculate terms in parentheses: -(5*5+(-1x+10)2), so:

5*5+(-1x+10)2

determiningTheFunctionDomain
(-1x+10)2+5*5

We add all the numbers together, and all the variables

(-1x+10)2+25

We multiply parentheses

-2x+20+25

We add all the numbers together, and all the variables

-2x+45

Back to the equation:

-(-2x+45)


We get rid of parentheses

x^2+2x-45+49=0

We add all the numbers together, and all the variables

x^2+2x+4=0

a = 1; b = 2; c = +4;
Δ = b2-4ac
Δ = 22-4·1·4
Δ = -12
Delta is less than zero, so there is no solution for the equation