3x+17=x^2+7

Simple and best practice solution for 3x+17=x^2+7 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 3x+17=x^2+7 equation:


Simplifying
3x + 17 = x2 + 7

Reorder the terms:
17 + 3x = x2 + 7

Reorder the terms:
17 + 3x = 7 + x2

Solving
17 + 3x = 7 + x2

Solving for variable 'x'.

Reorder the terms:
17 + -7 + 3x + -1x2 = 7 + x2 + -7 + -1x2

Combine like terms: 17 + -7 = 10
10 + 3x + -1x2 = 7 + x2 + -7 + -1x2

Reorder the terms:
10 + 3x + -1x2 = 7 + -7 + x2 + -1x2

Combine like terms: 7 + -7 = 0
10 + 3x + -1x2 = 0 + x2 + -1x2
10 + 3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
10 + 3x + -1x2 = 0

Factor a trinomial.
(5 + -1x)(2 + x) = 0

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {5, -2}

See similar equations:

| .5x+19.1=x-9.75 | | 13+6=97 | | y+4+3(y+2)=4+10 | | (4n+1)(4)= | | 0.1x^2-x=-1.1x^2+40 | | 13+16=97 | | 2x^2+22x+6=0 | | 0=4x^2+7x-132 | | 3(2r+2)= | | 0.1x^2-x=1.1x^2+40 | | 288=324-x^2 | | 5x+2x=126 | | x=40-x | | =10!/4!6! | | -9x+3=18x-11 | | -8x=-12-4x | | 0.7+y=340 | | 10.00=0.6x+5.34 | | 8.39=0.6x+5.34 | | y=0.6(5)+5.34 | | y=0.6(3)+5.34 | | f(x)=-2x^3-4x^2+30x | | 9y+3=8y-8 | | y=0.6(1)+5.34 | | -2(2y-3)-y=-2(y-4) | | 4x+9=-1 | | .71x=.13x | | 25m^2-289=0 | | 10.6-15=205.8 | | 10.6-15=206.8 | | -x+3/2=1/4x+1/4 | | -0.01x^2-0.2x+8=0.01x^2+0.1x+3 |

Equations solver categories