15u^2-14u-49=0

Simple and best practice solution for 15u^2-14u-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 15u^2-14u-49=0 equation: 


Simplifying
15u2 + -14u + -49 = 0

Reorder the terms:
-49 + -14u + 15u2 = 0

Solving
-49 + -14u + 15u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-7 + -5u)(7 + -3u) = 0


Subproblem 1
Set the factor '(-7 + -5u)' equal to zero and attempt to solve:

Simplifying
-7 + -5u = 0

Solving
-7 + -5u = 0

Move all terms containing u to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -5u = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -5u = 0 + 7
-5u = 0 + 7

Combine like terms: 0 + 7 = 7
-5u = 7

Divide each side by '-5'.
u = -1.4

Simplifying
u = -1.4

Subproblem 2
Set the factor '(7 + -3u)' equal to zero and attempt to solve:

Simplifying
7 + -3u = 0

Solving
7 + -3u = 0

Move all terms containing u to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -3u = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3u = 0 + -7
-3u = 0 + -7

Combine like terms: 0 + -7 = -7
-3u = -7

Divide each side by '-3'.
u = 2.333333333

Simplifying
u = 2.333333333
Solution
u = {-1.4, 2.333333333}

See similar equations:

| 7a-10=8a | | 5x+5=-(x-23) | | 8+7y-1=9y+43-6y | | 6y+4=24+4y | | x^2+12x+36=0 | | 4(5x-9)=-56 | | 7x-12=5x | | 4y-6=2y+8 | | 2C+6C+8=32 | | -2x+6=24 | | 8y^2-9y+1=0 | | 18x-100=8x+200 | | 8x+10=58 | | 8y^2-9y+1=o | | 7t-10=25t | | 8y^2-9t+1=0 | | 7-1y+5y=9 | | x^2=2x+99 | | 3x-10=23 | | -3(7p+4)-2(1-20p)=3(9+6p) | | 4y^3-2y^2=0 | | 3X+4.2=21 | | 6x-2y=4 | | 5.50*x=20 | | 5.50-x=20 | | 5.50+x=20 | | 4k-5+2k= | | -8(2b+4)+(17b-8)=0 | | 7x-28=2x+7 | | X-23=-4 | | (7b-1)-3(2b+3)=-6 | | 8u^3-2u^2=0 |

Equations solver categories