-1.4x(x)-2=-0.9(x)+5

Simple and best practice solution for -1.4x(x)-2=-0.9(x)+5 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 -1.4x(x)-2=-0.9(x)+5 equation:


Simplifying
-1.4x(x) + -2 = -0.9(x) + 5

Multiply x * x
-1.4x2 + -2 = -0.9(x) + 5

Reorder the terms:
-2 + -1.4x2 = -0.9(x) + 5

Reorder the terms:
-2 + -1.4x2 = 5 + -0.9x

Solving
-2 + -1.4x2 = 5 + -0.9x

Solving for variable 'x'.

Reorder the terms:
-2 + -5 + 0.9x + -1.4x2 = 5 + -0.9x + -5 + 0.9x

Combine like terms: -2 + -5 = -7
-7 + 0.9x + -1.4x2 = 5 + -0.9x + -5 + 0.9x

Reorder the terms:
-7 + 0.9x + -1.4x2 = 5 + -5 + -0.9x + 0.9x

Combine like terms: 5 + -5 = 0
-7 + 0.9x + -1.4x2 = 0 + -0.9x + 0.9x
-7 + 0.9x + -1.4x2 = -0.9x + 0.9x

Combine like terms: -0.9x + 0.9x = 0.0
-7 + 0.9x + -1.4x2 = 0.0

Begin completing the square.  Divide all terms by
-1.4 the coefficient of the squared term: 

Divide each side by '-1.4'.
5 + -0.6428571429x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -0.6428571429x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -0.6428571429x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -0.6428571429x + x2 = 0 + -5
-0.6428571429x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-0.6428571429x + x2 = -5

The x term is -0.6428571429x.  Take half its coefficient (-0.3214285715).
Square it (0.1033163266) and add it to both sides.

Add '0.1033163266' to each side of the equation.
-0.6428571429x + 0.1033163266 + x2 = -5 + 0.1033163266

Reorder the terms:
0.1033163266 + -0.6428571429x + x2 = -5 + 0.1033163266

Combine like terms: -5 + 0.1033163266 = -4.8966836734
0.1033163266 + -0.6428571429x + x2 = -4.8966836734

Factor a perfect square on the left side:
(x + -0.3214285715)(x + -0.3214285715) = -4.8966836734

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3w-9w=18 | | 17=25+3x | | -7x+1+8x=-1+20 | | (3x^8)(-4x^4)(5x^8)=y | | 7(x-2)+8=7x-3 | | -2(3x+8)=3-6x | | 5(-3X-10)-(x+3)=4(4x+5)+13 | | (6t^3+2t)-(-2t^3-7t+4)= | | h(x)=x^3+8x-5 | | -12=2(w-7)-4w | | -3(4s-6)-18=-3(9s+2)-3 | | 7+8v+v^2=0 | | 53=4t-7 | | (5x+1)+(7x-23)=180 | | -4(5y-7)+3(4y+5)= | | 4sin^2(x)+4sinx+1=0 | | 0.31t-t/6=1 | | 23x+32=12x-7 | | 6x^2+3x-2k(x^2+x+1)-2=0 | | -4x-.5=15.5 | | -4-.5=15.5 | | 35=-1/3x+5 | | 35=-.33x+5 | | 35=-33x+5 | | 5z^2+40z+75= | | -2.4x-3.6y+2.4x+1.2y=1.2 | | 1.8+0.1x=0.7x-9.6 | | -3(x+2)+5=7(x+5)+7 | | 5a+2b+3a-b= | | 7x-12x-5=-43+15 | | 4(a-6)+10=2(a-5) | | 4xsquared+3=0 |

Equations solver categories