0=4r^2-52r+169

Simple and best practice solution for 0=4r^2-52r+169 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 0=4r^2-52r+169 equation:


Simplifying
0 = 4r2 + -52r + 169

Reorder the terms:
0 = 169 + -52r + 4r2

Solving
0 = 169 + -52r + 4r2

Solving for variable 'r'.

Combine like terms: 0 + -169 = -169
-169 + 52r + -4r2 = 169 + -52r + 4r2 + -169 + 52r + -4r2

Reorder the terms:
-169 + 52r + -4r2 = 169 + -169 + -52r + 52r + 4r2 + -4r2

Combine like terms: 169 + -169 = 0
-169 + 52r + -4r2 = 0 + -52r + 52r + 4r2 + -4r2
-169 + 52r + -4r2 = -52r + 52r + 4r2 + -4r2

Combine like terms: -52r + 52r = 0
-169 + 52r + -4r2 = 0 + 4r2 + -4r2
-169 + 52r + -4r2 = 4r2 + -4r2

Combine like terms: 4r2 + -4r2 = 0
-169 + 52r + -4r2 = 0

Factor a trinomial.
(-13 + 2r)(13 + -2r) = 0

Subproblem 1

Set the factor '(-13 + 2r)' equal to zero and attempt to solve: Simplifying -13 + 2r = 0 Solving -13 + 2r = 0 Move all terms containing r to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + 2r = 0 + 13 Combine like terms: -13 + 13 = 0 0 + 2r = 0 + 13 2r = 0 + 13 Combine like terms: 0 + 13 = 13 2r = 13 Divide each side by '2'. r = 6.5 Simplifying r = 6.5

Subproblem 2

Set the factor '(13 + -2r)' equal to zero and attempt to solve: Simplifying 13 + -2r = 0 Solving 13 + -2r = 0 Move all terms containing r to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -2r = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -2r = 0 + -13 -2r = 0 + -13 Combine like terms: 0 + -13 = -13 -2r = -13 Divide each side by '-2'. r = 6.5 Simplifying r = 6.5

Solution

r = {6.5, 6.5}

See similar equations:

| 11(15x-3)=-33 | | -5=-1.62+a | | 8b+2=5+4b-8b | | 4(j-6)=6(k+2) | | 5x=405squared | | 5(w-6)+2(5w+4)+8-w=56 | | -2(3x+7)+3x=x+42 | | 5/9(f-32)=(-62.1) | | 840=2(3xX) | | 7u-2u=30 | | X(5-4X)=0 | | 5/8-6/8 | | 12x=16x+480 | | -92/12 | | 3r^2-25r=8 | | -6.27+n=9.8 | | 2/10=x/45 | | 12+2a=18 | | 2/4=x-2/16 | | 31/2-3 | | 10+2x+5=12+6 | | logx=400 | | Log(2x+20)=2 | | 3+6(x+8)=10x | | 18-2x=x-3 | | 1/4x-1/2y=8 | | 0-1/2 | | y=23x | | 8-3.8= | | 2(x-17)=x-3(12-2x) | | X-3y+4=-8 | | Y=x^2-14x+48 |

Equations solver categories