16r^2+56r+49=0

Simple and best practice solution for 16r^2+56r+49=0 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 16r^2+56r+49=0 equation:


Simplifying
16r2 + 56r + 49 = 0

Reorder the terms:
49 + 56r + 16r2 = 0

Solving
49 + 56r + 16r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(7 + 4r)(7 + 4r) = 0

Subproblem 1

Set the factor '(7 + 4r)' equal to zero and attempt to solve: Simplifying 7 + 4r = 0 Solving 7 + 4r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4r = 0 + -7 4r = 0 + -7 Combine like terms: 0 + -7 = -7 4r = -7 Divide each side by '4'. r = -1.75 Simplifying r = -1.75

Subproblem 2

Set the factor '(7 + 4r)' equal to zero and attempt to solve: Simplifying 7 + 4r = 0 Solving 7 + 4r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4r = 0 + -7 4r = 0 + -7 Combine like terms: 0 + -7 = -7 4r = -7 Divide each side by '4'. r = -1.75 Simplifying r = -1.75

Solution

r = {-1.75, -1.75}

See similar equations:

| 2/5x(-7)x-7/6 | | 10v^2-33vr+20r^2=0 | | 33(y-10)+29y+3(y-5)=945 | | 9=a/2 | | 50b^2+25b-3=0 | | 3y+3-2y=-45 | | 5/2y-1/y | | 0=-9.8(1.63)+vi | | 4+13n-2=7n+26-2n | | 3+5r=2r+4r | | 3(w+7)+4=-7 | | (X+6)(3x^2)= | | Y=4-3.5x | | 13=-6k-7k | | (5v+3)(8-v)=0 | | (2*3)+(6*15)= | | 2p-8=1+3p | | rxt=c | | 2/32=4 | | mx+4=x+4m^2 | | -.225x^2+2.56x-5.54=0 | | 5-2-1=5 | | X-28=8x | | 3k^2+8k-11= | | p(c)=3x^4-4x^2-7 | | 7x^4-134x^3+628x^2-906x+117=0 | | -4y/3=-28 | | y=4(-1)-4 | | y=-2(-1)+2 | | 4/5=-2v | | s+6*s+6=15 | | 8.5x=c+6y |

Equations solver categories