d^2+6d-40=

Simple and best practice solution for d^2+6d-40= 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 d^2+6d-40= equation:


Simplifying
d2 + 6d + -40 = 0

Reorder the terms:
-40 + 6d + d2 = 0

Solving
-40 + 6d + d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(-10 + -1d)(4 + -1d) = 0

Subproblem 1

Set the factor '(-10 + -1d)' equal to zero and attempt to solve: Simplifying -10 + -1d = 0 Solving -10 + -1d = 0 Move all terms containing d to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1d = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1d = 0 + 10 -1d = 0 + 10 Combine like terms: 0 + 10 = 10 -1d = 10 Divide each side by '-1'. d = -10 Simplifying d = -10

Subproblem 2

Set the factor '(4 + -1d)' equal to zero and attempt to solve: Simplifying 4 + -1d = 0 Solving 4 + -1d = 0 Move all terms containing d to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1d = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1d = 0 + -4 -1d = 0 + -4 Combine like terms: 0 + -4 = -4 -1d = -4 Divide each side by '-1'. d = 4 Simplifying d = 4

Solution

d = {-10, 4}

See similar equations:

| k/8=-7 | | 9x-(6x-7)=2 | | 10000000000x^2+5.6x-1.12=0 | | 18x^2-13xy-21y^2=0 | | 7+h=-13 | | 8+.8r=-8 | | 8+1.25r=-8 | | 5m=-100 | | 1000000x^2+20x-4=0 | | 0.75t-5=1 | | y+9x=13 | | 4/7*x2+28=0 | | 80-16*4+136/(-17) | | -8(w+1)=2(1-4w)-9 | | 4.2+1.1n=1.89 | | 5x+3=(2x+3) | | P=3m-5/2m | | 1000000x^2+20x-2=0 | | 2x+8=-2x-4 | | 5.08/9 | | 81-5x=22x-24 | | -38=4+7x | | 4-2x-x^2+2x=-x^2-4 | | 3x-1=7x-2 | | (3+2x+2x^2+6x^3)+(9-2x+2x^2-6x^3)= | | 18/49.5 | | 6(2x-3)-5(3x-2)= | | 576/1000 | | 4+13=93-4x | | (0.9x^7)(0.2x^7)= | | q^2-18q+45= | | 9c^2-10c+1= |

Equations solver categories