15x^2+20x-35=0

Simple and best practice solution for 15x^2+20x-35=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 15x^2+20x-35=0 equation:


Simplifying
15x2 + 20x + -35 = 0

Reorder the terms:
-35 + 20x + 15x2 = 0

Solving
-35 + 20x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-7 + 4x + 3x2) = 0

Factor a trinomial.
5((-7 + -3x)(1 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-7 + -3x)' equal to zero and attempt to solve: Simplifying -7 + -3x = 0 Solving -7 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -3x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3x = 0 + 7 -3x = 0 + 7 Combine like terms: 0 + 7 = 7 -3x = 7 Divide each side by '-3'. x = -2.333333333 Simplifying x = -2.333333333

Subproblem 2

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

Solution

x = {-2.333333333, 1}

See similar equations:

| .08p+8-.10p=7 | | -14=-20d-7(5d+2) | | -14=-20d-7 | | 2r+6=12 | | 7i(3i)= | | 3c-11=5 | | X^2-2x+4=12 | | -3x-5+3=5-8 | | 2c=10d+4 | | 2log(x+7)=8 | | -2(x+6)=-8 | | 2x-2x-12x=0 | | x-3=73 | | -2x-66+6x=82 | | 47-1-3x-x=0 | | 6x-4=-20+8x | | (6x-4)(3x+9)=0 | | -208+17x+2x=267 | | -137-5x=94+6x | | y=54*sin(69) | | 2r-19=21+r | | cos-1*x=11 | | -95-5x=85-11x | | (7x-6)2=0 | | 3(5x+6)=1(3x-2) | | 11x+7-6x=-15 | | -7x+4=-9x-6 | | -308+17x+2x=267 | | 2x^3-3x^2-3-5=0 | | 100=x+(180-3x) | | 5x-77=25+11x | | 5(x-5)+3x=15 |

Equations solver categories