12x^2+3-[7(x^2-5)+8]=

Simple and best practice solution for 12x^2+3-[7(x^2-5)+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 12x^2+3-[7(x^2-5)+8]= equation:


Simplifying
12x2 + 3 + -1[7(x2 + -5) + 8] = 0

Reorder the terms:
12x2 + 3 + -1[7(-5 + x2) + 8] = 0
12x2 + 3 + -1[(-5 * 7 + x2 * 7) + 8] = 0
12x2 + 3 + -1[(-35 + 7x2) + 8] = 0

Reorder the terms:
12x2 + 3 + -1[-35 + 8 + 7x2] = 0

Combine like terms: -35 + 8 = -27
12x2 + 3 + -1[-27 + 7x2] = 0
12x2 + 3 + [-27 * -1 + 7x2 * -1] = 0
12x2 + 3 + [27 + -7x2] = 0

Reorder the terms:
3 + 27 + 12x2 + -7x2 = 0

Combine like terms: 3 + 27 = 30
30 + 12x2 + -7x2 = 0

Combine like terms: 12x2 + -7x2 = 5x2
30 + 5x2 = 0

Solving
30 + 5x2 = 0

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 5x2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 5x2 = 0 + -30
5x2 = 0 + -30

Combine like terms: 0 + -30 = -30
5x2 = -30

Divide each side by '5'.
x2 = -6

Simplifying
x2 = -6

Reorder the terms:
6 + x2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| x/4-4=39 | | 3.4375=358 | | x/2-3=39 | | -3x^2+66x-60=0 | | 6/35/2/15 | | 24=8y-4(y-2) | | 2y+18=-6+6y | | 1/3/5/6 | | 5-10x=104-31 | | 2(x+7)=x+4 | | 7/8*-1/2=1/3 | | 7^3/7^11 | | 3/5=x/5 | | 3m=42 | | 20a^3b^2+15a^2b^3=0 | | 2*-26=10 | | x+y+4=8 | | 2(3X-6)=X-9 | | 4x+10=35-x | | x^2-12+40=0 | | x^2/3-1/25=0 | | (11,3)m=-2 | | 3w-13=35 | | 4y+1=x | | 5x-2(x+3)=27 | | (-2,-5)m=4 | | 3p-1=(5p-1)-2(7-2p) | | 2x^2+4y^2=8 | | 2w-10w=40 | | 7(x-2)-(4-6x)=12 | | A=2x^2-19x+95 | | -4.67(t^2)+1.72t+50=0 |

Equations solver categories