7x+10=x^2

Simple and best practice solution for 7x+10=x^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7x+10=x^2 equation:


Simplifying
7x + 10 = x2

Reorder the terms:
10 + 7x = x2

Solving
10 + 7x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
10 + 7x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-10 + -7x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -7x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -7x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -7x + x2 = 0 + 10
-7x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-7x + x2 = 10

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 10 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 10 + 12.25

Combine like terms: 10 + 12.25 = 22.25
12.25 + -7x + x2 = 22.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 22.25

Calculate the square root of the right side: 4.716990566

Break this problem into two subproblems by setting 
(x + -3.5) equal to 4.716990566 and -4.716990566.

Subproblem 1

x + -3.5 = 4.716990566 Simplifying x + -3.5 = 4.716990566 Reorder the terms: -3.5 + x = 4.716990566 Solving -3.5 + x = 4.716990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 4.716990566 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 4.716990566 + 3.5 x = 4.716990566 + 3.5 Combine like terms: 4.716990566 + 3.5 = 8.216990566 x = 8.216990566 Simplifying x = 8.216990566

Subproblem 2

x + -3.5 = -4.716990566 Simplifying x + -3.5 = -4.716990566 Reorder the terms: -3.5 + x = -4.716990566 Solving -3.5 + x = -4.716990566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -4.716990566 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -4.716990566 + 3.5 x = -4.716990566 + 3.5 Combine like terms: -4.716990566 + 3.5 = -1.216990566 x = -1.216990566 Simplifying x = -1.216990566

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.216990566, -1.216990566}

See similar equations:

| .5-2x=8x+25 | | (34x-19y)+(42x+63y)= | | 10b+2-2b= | | -30-4x=10x | | h(x)=-3(2x-11) | | 9x-8x+4=-6 | | 10+4x(14-4)= | | 58x+32=62x | | X+3-8x+10= | | 3(x-8)=-21 | | 2y+8x+5y-y= | | h(x)=2x+9+6x-1 | | 4x-35=x-13 | | x+7+-3x+-2=4+-8x | | 5(n+3)+4= | | 3+5x(12-5)= | | x=180-3/2x | | 5x+12=3+8x-6 | | 5y+x+y= | | 2 + 2 ( y + 4 )- 17 = 11 | | x^2+22x+121=12 | | (55x+68y)+(-8x+36y)= | | 2x^4-7x^2-9=0 | | y-5=1/4(x-1) | | 6(26.66666667)+2(75)=x | | 0.5x-0.8y=1.5 | | 2n-30=120 | | X-(3-x)= | | (18x+4y)+(47x+30y)= | | 6(26.66666667)+2(105)=x | | 6x+1+29=90 | | 6(26.66666667)+2(105)= |

Equations solver categories