7x^2-4x=3x^2-1

Simple and best practice solution for 7x^2-4x=3x^2-1 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^2-4x=3x^2-1 equation:


Simplifying
7x2 + -4x = 3x2 + -1

Reorder the terms:
-4x + 7x2 = 3x2 + -1

Reorder the terms:
-4x + 7x2 = -1 + 3x2

Solving
-4x + 7x2 = -1 + 3x2

Solving for variable 'x'.

Reorder the terms:
1 + -4x + 7x2 + -3x2 = -1 + 3x2 + 1 + -3x2

Combine like terms: 7x2 + -3x2 = 4x2
1 + -4x + 4x2 = -1 + 3x2 + 1 + -3x2

Reorder the terms:
1 + -4x + 4x2 = -1 + 1 + 3x2 + -3x2

Combine like terms: -1 + 1 = 0
1 + -4x + 4x2 = 0 + 3x2 + -3x2
1 + -4x + 4x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
1 + -4x + 4x2 = 0

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

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {0.5, 0.5}

See similar equations:

| 3X+4=-0.4X-10 | | p=2(25)+2(36) | | -1x-4=-8 | | 3(2q-2)=4q-8 | | X-(1/6X)=25 | | 15-2x-81-3x=1 | | 2x+1=85 | | x-3/4=0.25x-0.75 | | 2a+11=-14a+59 | | 5x-x+8=52 | | 17z-9=7z-59 | | 4x^2+10x-14=0 | | 3f+6g-4g+f= | | 18x+14=27 | | 2x^3-13x^2+21x=0 | | 9y+17=6y+29 | | x/200=3 | | 2(-1)-y=3 | | 4x*6= | | -4x-23=29 | | 9=12c+5 | | 9y-12-6y+8=0 | | 8x+y=-14 | | 11x+14=12x+4 | | -3.2+14.08=-4.8 | | -3x-7=-43 | | (6/7)^-2 | | 2(-2)-y=3 | | 4g-7(f+g)= | | 1+2+1/2+1/4(2)+3x=8+1/2 | | -7x-y=13 | | 15+40= |

Equations solver categories