b^2-4b-53=-4

Simple and best practice solution for b^2-4b-53=-4 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 b^2-4b-53=-4 equation:


Simplifying
b2 + -4b + -53 = -4

Reorder the terms:
-53 + -4b + b2 = -4

Solving
-53 + -4b + b2 = -4

Solving for variable 'b'.

Reorder the terms:
-53 + 4 + -4b + b2 = -4 + 4

Combine like terms: -53 + 4 = -49
-49 + -4b + b2 = -4 + 4

Combine like terms: -4 + 4 = 0
-49 + -4b + b2 = 0

Begin completing the square.

Move the constant term to the right:

Add '49' to each side of the equation.
-49 + -4b + 49 + b2 = 0 + 49

Reorder the terms:
-49 + 49 + -4b + b2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + -4b + b2 = 0 + 49
-4b + b2 = 0 + 49

Combine like terms: 0 + 49 = 49
-4b + b2 = 49

The b term is -4b.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4b + 4 + b2 = 49 + 4

Reorder the terms:
4 + -4b + b2 = 49 + 4

Combine like terms: 49 + 4 = 53
4 + -4b + b2 = 53

Factor a perfect square on the left side:
(b + -2)(b + -2) = 53

Calculate the square root of the right side: 7.280109889

Break this problem into two subproblems by setting 
(b + -2) equal to 7.280109889 and -7.280109889.

Subproblem 1

b + -2 = 7.280109889 Simplifying b + -2 = 7.280109889 Reorder the terms: -2 + b = 7.280109889 Solving -2 + b = 7.280109889 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + b = 7.280109889 + 2 Combine like terms: -2 + 2 = 0 0 + b = 7.280109889 + 2 b = 7.280109889 + 2 Combine like terms: 7.280109889 + 2 = 9.280109889 b = 9.280109889 Simplifying b = 9.280109889

Subproblem 2

b + -2 = -7.280109889 Simplifying b + -2 = -7.280109889 Reorder the terms: -2 + b = -7.280109889 Solving -2 + b = -7.280109889 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + b = -7.280109889 + 2 Combine like terms: -2 + 2 = 0 0 + b = -7.280109889 + 2 b = -7.280109889 + 2 Combine like terms: -7.280109889 + 2 = -5.280109889 b = -5.280109889 Simplifying b = -5.280109889

Solution

The solution to the problem is based on the solutions from the subproblems. b = {9.280109889, -5.280109889}

See similar equations:

| 8(2x-2)=88x | | 11p-5=28 | | 3x^2+20x-32=0 | | 3-2*(x-1)=0 | | y=x^2+6x-5 | | y+2=3 | | 10n^2+2=92 | | 3(36-4x^2+x^4)=0 | | 3x-10=-31 | | 6n+11=2n-1 | | 7x+19=2x+55 | | (2x^7+4x^6)-(6x^5+4x^4)= | | 18=-8+6y | | -154=12-36X | | 4[3(7x-1)-5(4x+2)]=5x-47 | | -0.43=7x+-1 | | (3x+7)(4x+1)-(2-3x)(3x+7)=0 | | x-15=27 | | -2+7x=-2 | | 10-10x=55-31x | | -3x-10=-43 | | 2t^2-3t+2=0 | | 7x-2=-23 | | 8x+y-4=10 | | k^2-24k+144=0 | | 10x-167= | | 2*(x+1)=-x-4 | | 1.7y+3=1.2y | | 5x+10=8x+2 | | 1.5(6+x)+2.5x-7=4(0.25+0.50x)+2x+1 | | x+10=-15 | | 5x+3=7x-15 |

Equations solver categories