7v^2+46v-21=0

Simple and best practice solution for 7v^2+46v-21=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 7v^2+46v-21=0 equation:


Simplifying
7v2 + 46v + -21 = 0

Reorder the terms:
-21 + 46v + 7v2 = 0

Solving
-21 + 46v + 7v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-7 + -1v)(3 + -7v) = 0

Subproblem 1

Set the factor '(-7 + -1v)' equal to zero and attempt to solve: Simplifying -7 + -1v = 0 Solving -7 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1v = 0 + 7 -1v = 0 + 7 Combine like terms: 0 + 7 = 7 -1v = 7 Divide each side by '-1'. v = -7 Simplifying v = -7

Subproblem 2

Set the factor '(3 + -7v)' equal to zero and attempt to solve: Simplifying 3 + -7v = 0 Solving 3 + -7v = 0 Move all terms containing v to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -7v = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7v = 0 + -3 -7v = 0 + -3 Combine like terms: 0 + -3 = -3 -7v = -3 Divide each side by '-7'. v = 0.4285714286 Simplifying v = 0.4285714286

Solution

v = {-7, 0.4285714286}

See similar equations:

| 7+6(b+1)=-(b+1) | | 8x=5+21 | | 1/2x=62 | | 280000=6y+40x | | 7v^2-59v+24=0 | | 7(p+3)+6=-3(6-4p) | | 1/4x+1/2x+1/9x | | (1250)(0.25)(3)= | | -336=6(8p+8) | | r-7.9=-6.8 | | (1/4x+1/2x+1/9x)62 | | 6a=12(7a-[5a+(2a-3)])+3 | | 20y=15y | | -20x-8=3x | | 7v^2-59+24=0 | | 3[5-3(4-g)]-5=5[3(5g-4)+2]-26 | | 2(5x+1)=5x-7x | | 2x^2-10x=45 | | 3[5-3(4-g)]=5[3(5g-4)+2]-26 | | 5(2u-4)=10u-5 | | (3x-2)2=x^2 | | 17x-9=14x-12 | | (3x-2)=x^2 | | 3[5-3(4-g)+2]=5[3(5g-4)+2]-26 | | x^2-8x+16+x^2-12x+36=2 | | 2/3p+1/5+4/5 | | 8(3v-1)-2v=-6(-3-8v) | | 87=-3(1-6b) | | 3x^2-65=0 | | -[4z-(10z+9)]=9+(5z+10) | | 2a-25+3a=180 | | -1/4(12+n)=7 |

Equations solver categories