(x+5)(x+3)=60

Simple and best practice solution for (x+5)(x+3)=60 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 (x+5)(x+3)=60 equation:


Simplifying
(x + 5)(x + 3) = 60

Reorder the terms:
(5 + x)(x + 3) = 60

Reorder the terms:
(5 + x)(3 + x) = 60

Multiply (5 + x) * (3 + x)
(5(3 + x) + x(3 + x)) = 60
((3 * 5 + x * 5) + x(3 + x)) = 60
((15 + 5x) + x(3 + x)) = 60
(15 + 5x + (3 * x + x * x)) = 60
(15 + 5x + (3x + x2)) = 60

Combine like terms: 5x + 3x = 8x
(15 + 8x + x2) = 60

Solving
15 + 8x + x2 = 60

Solving for variable 'x'.

Reorder the terms:
15 + -60 + 8x + x2 = 60 + -60

Combine like terms: 15 + -60 = -45
-45 + 8x + x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-45 + 8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '45' to each side of the equation.
-45 + 8x + 45 + x2 = 0 + 45

Reorder the terms:
-45 + 45 + 8x + x2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 8x + x2 = 0 + 45
8x + x2 = 0 + 45

Combine like terms: 0 + 45 = 45
8x + x2 = 45

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 45 + 16

Reorder the terms:
16 + 8x + x2 = 45 + 16

Combine like terms: 45 + 16 = 61
16 + 8x + x2 = 61

Factor a perfect square on the left side:
(x + 4)(x + 4) = 61

Calculate the square root of the right side: 7.810249676

Break this problem into two subproblems by setting 
(x + 4) equal to 7.810249676 and -7.810249676.

Subproblem 1

x + 4 = 7.810249676 Simplifying x + 4 = 7.810249676 Reorder the terms: 4 + x = 7.810249676 Solving 4 + x = 7.810249676 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 7.810249676 + -4 Combine like terms: 4 + -4 = 0 0 + x = 7.810249676 + -4 x = 7.810249676 + -4 Combine like terms: 7.810249676 + -4 = 3.810249676 x = 3.810249676 Simplifying x = 3.810249676

Subproblem 2

x + 4 = -7.810249676 Simplifying x + 4 = -7.810249676 Reorder the terms: 4 + x = -7.810249676 Solving 4 + x = -7.810249676 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -7.810249676 + -4 Combine like terms: 4 + -4 = 0 0 + x = -7.810249676 + -4 x = -7.810249676 + -4 Combine like terms: -7.810249676 + -4 = -11.810249676 x = -11.810249676 Simplifying x = -11.810249676

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.810249676, -11.810249676}

See similar equations:

| [13x-7-10x]=2 | | 4(2x+ay)= | | (y^2+8y+15)m^2=m(y+5) | | X+.02x=10.20 | | (y^2+8y+15)m^2=x(y+5) | | ln(x-5)-8=7 | | tanx(cotx-cosx)= | | 84=(-20x+4) | | f(x+2)=X^2+7x+5 | | 34(4x+4)=56+4(3m-4) | | 0x+0y-4=0 | | 4x^2+3x=360 | | 6y+90-9y=180 | | 800=20x+80y | | 25x-10=20x+25 | | 2/3x-11=17 | | 9-k=16 | | -31=5-2(3x-4) | | 15.35=s-1.84 | | (4p-5)(3p+2)=-8 | | sec(5pi/4)=2 | | I/4=2/3s | | 8x+5x=180 | | 10x=6x+30 | | -61+x=104-10x | | 18x=50+10x | | 3[n-40+2n]=15 | | 3x+6+x+2= | | 5x-10+3x+10=180 | | 6m-x=22 | | -x^4+100x^2+50=0 | | 2x(x-1)=x-1 |

Equations solver categories