4x^2-7=23

Simple and best practice solution for 4x^2-7=23 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 4x^2-7=23 equation:


Simplifying
4x2 + -7 = 23

Reorder the terms:
-7 + 4x2 = 23

Solving
-7 + 4x2 = 23

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 4x2 = 23 + 7

Combine like terms: -7 + 7 = 0
0 + 4x2 = 23 + 7
4x2 = 23 + 7

Combine like terms: 23 + 7 = 30
4x2 = 30

Divide each side by '4'.
x2 = 7.5

Simplifying
x2 = 7.5

Take the square root of each side:
x = {-2.738612788, 2.738612788}

See similar equations:

| 6x-3y+12w-3y-6w+6x= | | 7x+7=-3x+3 | | 24+6x=5(4+2x)-2(4x-4) | | 6x+13=27 | | 2w+8y+9x+3x-14y+5w= | | 1-((1/3)t^(-2/3))=0 | | w/o | | 2x+90+3x+5=180 | | x^2+8x-88=-88 | | 2x+1=-4x+8 | | 2(3+y)=8 | | 5-4g+7=2g | | 5m-7=-4m+92 | | 57=3e(5-1/e) | | 11x+3+11x+3+11x+3+11x+3=126 | | 0.90b+2.50=18.50 | | 6x/=6 | | x^2-3x-700=0 | | 9n^2-4m^2=0 | | 11x-10=10x+5 | | 3x+5+5x+9=118 | | n/3-2= | | 16=2(4a+2) | | Y=-3mx | | 2(5-3x)+9x=28-3x | | -14=w/3-4 | | t=16t^2+500 | | 3x^2-12x+60=0 | | 1-((1/3)t^(-2/3)) | | 5x-8=40-3x | | 3(m+8)=-6 | | 19x+19x+30x-15=325 |

Equations solver categories