(5x-3)(1-4x)+x(3x+7)=8

Simple and best practice solution for (5x-3)(1-4x)+x(3x+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 (5x-3)(1-4x)+x(3x+7)=8 equation:


Simplifying
(5x + -3)(1 + -4x) + x(3x + 7) = 8

Reorder the terms:
(-3 + 5x)(1 + -4x) + x(3x + 7) = 8

Multiply (-3 + 5x) * (1 + -4x)
(-3(1 + -4x) + 5x * (1 + -4x)) + x(3x + 7) = 8
((1 * -3 + -4x * -3) + 5x * (1 + -4x)) + x(3x + 7) = 8
((-3 + 12x) + 5x * (1 + -4x)) + x(3x + 7) = 8
(-3 + 12x + (1 * 5x + -4x * 5x)) + x(3x + 7) = 8
(-3 + 12x + (5x + -20x2)) + x(3x + 7) = 8

Combine like terms: 12x + 5x = 17x
(-3 + 17x + -20x2) + x(3x + 7) = 8

Reorder the terms:
-3 + 17x + -20x2 + x(7 + 3x) = 8
-3 + 17x + -20x2 + (7 * x + 3x * x) = 8
-3 + 17x + -20x2 + (7x + 3x2) = 8

Reorder the terms:
-3 + 17x + 7x + -20x2 + 3x2 = 8

Combine like terms: 17x + 7x = 24x
-3 + 24x + -20x2 + 3x2 = 8

Combine like terms: -20x2 + 3x2 = -17x2
-3 + 24x + -17x2 = 8

Solving
-3 + 24x + -17x2 = 8

Solving for variable 'x'.

Reorder the terms:
-3 + -8 + 24x + -17x2 = 8 + -8

Combine like terms: -3 + -8 = -11
-11 + 24x + -17x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-11 + 24x + -17x2 = 0

Begin completing the square.  Divide all terms by
-17 the coefficient of the squared term: 

Divide each side by '-17'.
0.6470588235 + -1.411764706x + x2 = 0

Move the constant term to the right:

Add '-0.6470588235' to each side of the equation.
0.6470588235 + -1.411764706x + -0.6470588235 + x2 = 0 + -0.6470588235

Reorder the terms:
0.6470588235 + -0.6470588235 + -1.411764706x + x2 = 0 + -0.6470588235

Combine like terms: 0.6470588235 + -0.6470588235 = 0.0000000000
0.0000000000 + -1.411764706x + x2 = 0 + -0.6470588235
-1.411764706x + x2 = 0 + -0.6470588235

Combine like terms: 0 + -0.6470588235 = -0.6470588235
-1.411764706x + x2 = -0.6470588235

The x term is -1.411764706x.  Take half its coefficient (-0.705882353).
Square it (0.4982698963) and add it to both sides.

Add '0.4982698963' to each side of the equation.
-1.411764706x + 0.4982698963 + x2 = -0.6470588235 + 0.4982698963

Reorder the terms:
0.4982698963 + -1.411764706x + x2 = -0.6470588235 + 0.4982698963

Combine like terms: -0.6470588235 + 0.4982698963 = -0.1487889272
0.4982698963 + -1.411764706x + x2 = -0.1487889272

Factor a perfect square on the left side:
(x + -0.705882353)(x + -0.705882353) = -0.1487889272

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x+12+4x+12+4x+12=180 | | 2x^2+9=-17 | | 4x+12+x+x=180 | | 2[2a-3a(2a+4b)+6a^2]= | | y=cos(x)*sin(2*x) | | 2x^2+36x-12=0 | | -7w-38=0 | | 3721=x^2 | | =(-2v^2+5v-4)+(v^2+3v+7) | | 5+9(2-4)= | | 5n(n)=15n | | -10+0.5x=0 | | 4x^2-6=2x | | -3(6x-8)+9x=6(x+5) | | h(h)+4h=0 | | =4a-8a | | -2(-7)= | | 20x+100+19=20x+20 | | 15.52+(-2.73)+0.47= | | 2(w-1)=4w+2-2(-3w-5) | | 20x+100=19 | | -12-(-11)= | | 19=100+20x | | 8 = p4 | | =2y-6(3z-2y)+3z | | 3x+7x+5=0 | | 10x^3+9x^2-75x+56=0 | | -3(-5u+7)-2u=3(u-6)-8 | | 20*log(x)=30 | | t(t-4)=0 | | 9v-3v=18 | | 1.5x+3=15 |

Equations solver categories