7+37x-16x^2=27

Simple and best practice solution for 7+37x-16x^2=27 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 7+37x-16x^2=27 equation:


Simplifying
7 + 37x + -16x2 = 27

Solving
7 + 37x + -16x2 = 27

Solving for variable 'x'.

Reorder the terms:
7 + -27 + 37x + -16x2 = 27 + -27

Combine like terms: 7 + -27 = -20
-20 + 37x + -16x2 = 27 + -27

Combine like terms: 27 + -27 = 0
-20 + 37x + -16x2 = 0

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
1.25 + -2.3125x + x2 = 0

Move the constant term to the right:

Add '-1.25' to each side of the equation.
1.25 + -2.3125x + -1.25 + x2 = 0 + -1.25

Reorder the terms:
1.25 + -1.25 + -2.3125x + x2 = 0 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + -2.3125x + x2 = 0 + -1.25
-2.3125x + x2 = 0 + -1.25

Combine like terms: 0 + -1.25 = -1.25
-2.3125x + x2 = -1.25

The x term is -2.3125x.  Take half its coefficient (-1.15625).
Square it (1.336914063) and add it to both sides.

Add '1.336914063' to each side of the equation.
-2.3125x + 1.336914063 + x2 = -1.25 + 1.336914063

Reorder the terms:
1.336914063 + -2.3125x + x2 = -1.25 + 1.336914063

Combine like terms: -1.25 + 1.336914063 = 0.086914063
1.336914063 + -2.3125x + x2 = 0.086914063

Factor a perfect square on the left side:
(x + -1.15625)(x + -1.15625) = 0.086914063

Calculate the square root of the right side: 0.294811911

Break this problem into two subproblems by setting 
(x + -1.15625) equal to 0.294811911 and -0.294811911.

Subproblem 1

x + -1.15625 = 0.294811911 Simplifying x + -1.15625 = 0.294811911 Reorder the terms: -1.15625 + x = 0.294811911 Solving -1.15625 + x = 0.294811911 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.15625' to each side of the equation. -1.15625 + 1.15625 + x = 0.294811911 + 1.15625 Combine like terms: -1.15625 + 1.15625 = 0.00000 0.00000 + x = 0.294811911 + 1.15625 x = 0.294811911 + 1.15625 Combine like terms: 0.294811911 + 1.15625 = 1.451061911 x = 1.451061911 Simplifying x = 1.451061911

Subproblem 2

x + -1.15625 = -0.294811911 Simplifying x + -1.15625 = -0.294811911 Reorder the terms: -1.15625 + x = -0.294811911 Solving -1.15625 + x = -0.294811911 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.15625' to each side of the equation. -1.15625 + 1.15625 + x = -0.294811911 + 1.15625 Combine like terms: -1.15625 + 1.15625 = 0.00000 0.00000 + x = -0.294811911 + 1.15625 x = -0.294811911 + 1.15625 Combine like terms: -0.294811911 + 1.15625 = 0.861438089 x = 0.861438089 Simplifying x = 0.861438089

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.451061911, 0.861438089}

See similar equations:

| 263x/x^2=348 | | A(x-b)+x(b-a)=2b(2a-x) | | 100xb=170 | | log(5)(x+5)=4log(5)(x-4) | | 20xb=24 | | 43-[3+6y-3(y+5)]=-3(2y-6)-[9(y-1)-6y+8] | | 9x^2-63x+54=0 | | 20xb=21.4 | | -17=3(V-8)+4V | | (5x-25)6-23=37 | | B-(-3)=6 | | N+(4)=15 | | 6x^2-72=6x | | 15+9x=33 | | 5(x+3)+x=-15 | | 17-7x=-25 | | 6(4x-1)=3 | | 17+5x=37 | | 4x^2=-4x+12 | | 6x^2=8000000 | | 6x+8=3-(7x-7) | | 6(x-4)-3=27 | | kx^2-5x+1=0 | | 1p-5=3p+2 | | 4x=10-(x+20) | | 10x^2+6=206 | | 8(x+6)=96 | | 14x^2-34x+14=0 | | 4n^2+7n+10=0 | | 5a=21+2q | | -(7x-(2x+3))=-6(3(3x-4)-2x) | | x^2+x=10x |

Equations solver categories