13x^2+4-[5(x^2-7)+8]=

Simple and best practice solution for 13x^2+4-[5(x^2-7)+8]= 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 13x^2+4-[5(x^2-7)+8]= equation:


Simplifying
13x2 + 4 + -1[5(x2 + -7) + 8] = 0

Reorder the terms:
13x2 + 4 + -1[5(-7 + x2) + 8] = 0
13x2 + 4 + -1[(-7 * 5 + x2 * 5) + 8] = 0
13x2 + 4 + -1[(-35 + 5x2) + 8] = 0

Reorder the terms:
13x2 + 4 + -1[-35 + 8 + 5x2] = 0

Combine like terms: -35 + 8 = -27
13x2 + 4 + -1[-27 + 5x2] = 0
13x2 + 4 + [-27 * -1 + 5x2 * -1] = 0
13x2 + 4 + [27 + -5x2] = 0

Reorder the terms:
4 + 27 + 13x2 + -5x2 = 0

Combine like terms: 4 + 27 = 31
31 + 13x2 + -5x2 = 0

Combine like terms: 13x2 + -5x2 = 8x2
31 + 8x2 = 0

Solving
31 + 8x2 = 0

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + 8x2 = 0 + -31

Combine like terms: 31 + -31 = 0
0 + 8x2 = 0 + -31
8x2 = 0 + -31

Combine like terms: 0 + -31 = -31
8x2 = -31

Divide each side by '8'.
x2 = -3.875

Simplifying
x2 = -3.875

Reorder the terms:
3.875 + x2 = -3.875 + 3.875

Combine like terms: -3.875 + 3.875 = 0.000
3.875 + x2 = 0.000

The solution to this equation could not be determined.

See similar equations:

| 50x+14x=40 | | log2(sqrt(42/36)) | | (8+4i)(-6-7i)= | | x^2-4x+1.75=0 | | 3LN(5x+8)=30 | | 8x+30=1000 | | 10=10e(2*k) | | w^4-2w^2+2=0 | | 250y+61x=68find | | 20=10e^2k | | 250y+61x=68 | | 3x=4.86 | | (x^2-36)/(x^2-216) | | 281x^2-512x-2448=0 | | y^4=8x | | 3-9x+5y-15xy=0 | | lny=lna+xlnb | | 9x-5y^2=25whatisy | | 3x-5y=6whatisxy | | 9x-25y^2=25 | | y=x^2+x+0.25 | | 4m^2-4m-7=0 | | 10r^2-13r-3=0 | | 3x+y+4z=0 | | g(x)=5x^2-2(4x-3) | | 29/8x5/29 | | y=5x^6-30x^4 | | 8a^2-16a-10=0 | | p=5x^6-30x^4 | | f(x)=4x-3(5x^2-2) | | 2x^4-3x^3-74x^2+45x+450=0 | | m^2+3m-17=0 |

Equations solver categories