3x^2=4x+7

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


Simplifying
3x2 = 4x + 7

Reorder the terms:
3x2 = 7 + 4x

Solving
3x2 = 7 + 4x

Solving for variable 'x'.

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

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

Combine like terms: 7 + -7 = 0
-7 + -4x + 3x2 = 0 + 4x + -4x
-7 + -4x + 3x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + -4x + 3x2 = 0

Factor a trinomial.
(-1 + -1x)(7 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Solution

x = {-1, 2.333333333}

See similar equations:

| -30+x=50-3x | | 5d-(3.3)=7.2 | | 1.1x+1.2x-5.4=1o | | 5r+r^2=36 | | 2/13x=12 | | 10x-42=18+6x | | x^4-5x^3+3x^2+7x-2=0 | | -3/5x=4/5 | | 5x-5=7x+7 | | 5(2r-3)+7(2-r)=3(r+2)-7 | | 22/25*15/28*8/33 | | -4-7(1+3s)=22 | | 106=963-x | | P=b+4a+3cforb | | -1/5b-(2/5)=-2 | | 234=x+107 | | 3p^2+35p=0 | | 12(2d+6)=p | | 3p^2-35p=0 | | x+34=97 | | 17g+3=11g+29 | | 32-x=27 | | 0=9y^2-58y | | 5k-(7)=-7 | | 9y^2-58y=0 | | 2a+3b=6c | | -3(3c+15)-(10+c)=35 | | 170=c+146 | | 140-6x=21x+17 | | (8x^3-2x^2-4x+7)-(6x^2+8)=0 | | 6t^2-24t=0 | | -n/2.5-7=-82 |

Equations solver categories