4x^2-7=74

Simple and best practice solution for 4x^2-7=74 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=74 equation:


Simplifying
4x2 + -7 = 74

Reorder the terms:
-7 + 4x2 = 74

Solving
-7 + 4x2 = 74

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 = 74 + 7

Combine like terms: -7 + 7 = 0
0 + 4x2 = 74 + 7
4x2 = 74 + 7

Combine like terms: 74 + 7 = 81
4x2 = 81

Divide each side by '4'.
x2 = 20.25

Simplifying
x2 = 20.25

Take the square root of each side:
x = {-4.5, 4.5}

See similar equations:

| A=a*a*a | | 4x*-7=74 | | A=13*11-11*9 | | 19.00+1.50=2.75+15.00 | | 4/5-5/9 | | A=(25-12)*8 | | 19+1.50=15+2.75 | | w-2/3=5 | | A=8*9+8*11 | | 0.04x=1730 | | 5(3+-1y+-2z)+5y+10z=15 | | Y=8x^2-2 | | 3+-1y+-2z+y+2z=3 | | 57=10x+4 | | a+a=a-2 | | 5n+p=12 | | 4x+20+5x-2=180 | | 3d-7=6d-5 | | 5x^5-25x^4+50x^3-50x^2+25x-5=0 | | 5n+p=32 | | 38-4x=8-10x | | 3/10 | | A=7(8+11) | | 7+3m= | | 8(9-x)=32 | | (x+3)(x+1)=-10x+18 | | 5x^3/10x^7 | | 9/10=45 | | x-(-141)=-276 | | 2+6x=-13+x | | 2x-1400=32x | | 175/2 |

Equations solver categories