-1.29x^2*25-140x^2-4x=0.72

Simple and best practice solution for -1.29x^2*25-140x^2-4x=0.72 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 -1.29x^2*25-140x^2-4x=0.72 equation:


Simplifying
-1.29x2 * 25 + -140x2 + -4x = 0.72

Reorder the terms for easier multiplication:
-1.29 * 25x2 + -140x2 + -4x = 0.72

Multiply -1.29 * 25
-32.25x2 + -140x2 + -4x = 0.72

Reorder the terms:
-4x + -32.25x2 + -140x2 = 0.72

Combine like terms: -32.25x2 + -140x2 = -172.25x2
-4x + -172.25x2 = 0.72

Solving
-4x + -172.25x2 = 0.72

Solving for variable 'x'.

Reorder the terms:
-0.72 + -4x + -172.25x2 = 0.72 + -0.72

Combine like terms: 0.72 + -0.72 = 0.00
-0.72 + -4x + -172.25x2 = 0.00

Begin completing the square.  Divide all terms by
-172.25 the coefficient of the squared term: 

Divide each side by '-172.25'.
0.004179970972 + 0.02322206096x + x2 = 0

Move the constant term to the right:

Add '-0.004179970972' to each side of the equation.
0.004179970972 + 0.02322206096x + -0.004179970972 + x2 = 0 + -0.004179970972

Reorder the terms:
0.004179970972 + -0.004179970972 + 0.02322206096x + x2 = 0 + -0.004179970972

Combine like terms: 0.004179970972 + -0.004179970972 = 0.000000000000
0.000000000000 + 0.02322206096x + x2 = 0 + -0.004179970972
0.02322206096x + x2 = 0 + -0.004179970972

Combine like terms: 0 + -0.004179970972 = -0.004179970972
0.02322206096x + x2 = -0.004179970972

The x term is 0.02322206096x.  Take half its coefficient (0.01161103048).
Square it (0.0001348160288) and add it to both sides.

Add '0.0001348160288' to each side of the equation.
0.02322206096x + 0.0001348160288 + x2 = -0.004179970972 + 0.0001348160288

Reorder the terms:
0.0001348160288 + 0.02322206096x + x2 = -0.004179970972 + 0.0001348160288

Combine like terms: -0.004179970972 + 0.0001348160288 = -0.0040451549432
0.0001348160288 + 0.02322206096x + x2 = -0.0040451549432

Factor a perfect square on the left side:
(x + 0.01161103048)(x + 0.01161103048) = -0.0040451549432

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5(6-3y)= | | 2x*2*197=120x-85*2 | | 8(h+3)=4 | | 8(x-4)=5x-3 | | 4(h+3)=4 | | (4)(4)(4)= | | 8x+5-3x+3=36 | | 6+3x-2x=5 | | 3(h+1)=12 | | x+16-12=23 | | 3(8-f)=21 | | 5(9-f)=20 | | 5(9-f)=21 | | (26*x^2)-(64*x)+128=0 | | (2+a)*(9+6)=43+2*(3+1)*(a+1) | | -5(2x-9)=(2x-8)-11 | | 9x^2+0x+8= | | 8x-7=-31 | | ln(x-1)-ln(x+2)=ln(4) | | -21=3(p+3) | | y=6ln(2x-5) | | 7*x^5=14 | | 0.80x+0.80(50)=0.40(130) | | -14+19=-5(x+5) | | 10x^2=-11x-3 | | 6(y-6)=5(y+8) | | y=x^2+9x+10 | | F(x)=0.25x-3x+9x | | 7*e*2-2*t*2=v | | 32-17=19+4-x | | 6+3=78 | | 2x+5=41-4x |

Equations solver categories