2x^2+3x+5=7

Simple and best practice solution for 2x^2+3x+5=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 2x^2+3x+5=7 equation:


Simplifying
2x2 + 3x + 5 = 7

Reorder the terms:
5 + 3x + 2x2 = 7

Solving
5 + 3x + 2x2 = 7

Solving for variable 'x'.

Reorder the terms:
5 + -7 + 3x + 2x2 = 7 + -7

Combine like terms: 5 + -7 = -2
-2 + 3x + 2x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-2 + 3x + 2x2 = 0

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

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 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 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

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 = {-2, 0.5}

See similar equations:

| 10x=4x+3 | | (x-4)(5x+2)=0 | | 400+50=650 | | r^2+r-28=0 | | 3a-2-9b+3-5a= | | 6x-2y+18=0 | | 10x^2-43x-7=2 | | 0=14-x-6-9 | | 6p-6-10q+6-2q+10= | | 4x=1x+5 | | 5x+9y=2 | | .2x-.5=.1+7 | | 6x-7(7x+18)=89 | | 2(5-x)-7-x/2=x-1 | | 6x-67(7x+18)=89 | | -4x-20=-9(x+5) | | 2x+500=5500 | | 3_4x+2_3x=6 | | 2y+7=7z+1 | | 4x^-5/3+8x^1/3 | | -18=-2(x--6) | | 1_3x+8_6x=3+2x | | 30/126 | | 2_5x+3=4 | | -7+2y=-3 | | 2x+5=x-9 | | 1+k/-k-6+k | | 2/3+2x=3x+8/5 | | 2x-14-x-12=6x-34 | | 5/x+2=6/x-1 | | 7z+149=156 | | 7x-8=97 |

Equations solver categories