2x(5-7x)=9-(3x-2)

Simple and best practice solution for 2x(5-7x)=9-(3x-2) 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 2x(5-7x)=9-(3x-2) equation:


Simplifying
2x(5 + -7x) = 9 + -1(3x + -2)
(5 * 2x + -7x * 2x) = 9 + -1(3x + -2)
(10x + -14x2) = 9 + -1(3x + -2)

Reorder the terms:
10x + -14x2 = 9 + -1(-2 + 3x)
10x + -14x2 = 9 + (-2 * -1 + 3x * -1)
10x + -14x2 = 9 + (2 + -3x)

Combine like terms: 9 + 2 = 11
10x + -14x2 = 11 + -3x

Solving
10x + -14x2 = 11 + -3x

Solving for variable 'x'.

Reorder the terms:
-11 + 10x + 3x + -14x2 = 11 + -3x + -11 + 3x

Combine like terms: 10x + 3x = 13x
-11 + 13x + -14x2 = 11 + -3x + -11 + 3x

Reorder the terms:
-11 + 13x + -14x2 = 11 + -11 + -3x + 3x

Combine like terms: 11 + -11 = 0
-11 + 13x + -14x2 = 0 + -3x + 3x
-11 + 13x + -14x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-11 + 13x + -14x2 = 0

Begin completing the square.  Divide all terms by
-14 the coefficient of the squared term: 

Divide each side by '-14'.
0.7857142857 + -0.9285714286x + x2 = 0

Move the constant term to the right:

Add '-0.7857142857' to each side of the equation.
0.7857142857 + -0.9285714286x + -0.7857142857 + x2 = 0 + -0.7857142857

Reorder the terms:
0.7857142857 + -0.7857142857 + -0.9285714286x + x2 = 0 + -0.7857142857

Combine like terms: 0.7857142857 + -0.7857142857 = 0.0000000000
0.0000000000 + -0.9285714286x + x2 = 0 + -0.7857142857
-0.9285714286x + x2 = 0 + -0.7857142857

Combine like terms: 0 + -0.7857142857 = -0.7857142857
-0.9285714286x + x2 = -0.7857142857

The x term is -0.9285714286x.  Take half its coefficient (-0.4642857143).
Square it (0.2155612245) and add it to both sides.

Add '0.2155612245' to each side of the equation.
-0.9285714286x + 0.2155612245 + x2 = -0.7857142857 + 0.2155612245

Reorder the terms:
0.2155612245 + -0.9285714286x + x2 = -0.7857142857 + 0.2155612245

Combine like terms: -0.7857142857 + 0.2155612245 = -0.5701530612
0.2155612245 + -0.9285714286x + x2 = -0.5701530612

Factor a perfect square on the left side:
(x + -0.4642857143)(x + -0.4642857143) = -0.5701530612

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| z-1/11 | | 7x+9=4x+8 | | 3z=-1+7i+iz | | 18=0.04x | | lny=12x-lnc | | 6x^2-17+7= | | 3,15x/3,76=-0,17x+3,22 | | 5w^2+20w=0 | | 0.40x-0.20(50+x)=0.12(50) | | 5x-8=10x-9 | | 0.8t+0.2(t-0.6)=3.57 | | 252=(y+7)/(x-3) | | 5x+25*5=45 | | 3x-9=10x-10 | | y=-1.5x+10.4 | | -5(x+7)-(-6x+7)=-8 | | (X^2+6X+9)/(2X+6) | | x-3=252/(x+7) | | 0.04x=18x | | 0.04x=18 | | 18x=0.04x | | x+18=0.04x | | -5-x=11-3x | | -6(n-2)=6-5n | | 2x+(5-7x)= | | 2k=9p | | n+1+n+4+n-5=3n | | 4(n-8)=41 | | 7x+8y-6(2x+4y)= | | 4-9m-3=9m-40-6m+9m | | 18a^2+9ab-20b^2=0 | | 3x(x-11)=-30 |

Equations solver categories