25x^2+20x-21=0

Simple and best practice solution for 25x^2+20x-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 25x^2+20x-21=0 equation:


Simplifying
25x2 + 20x + -21 = 0

Reorder the terms:
-21 + 20x + 25x2 = 0

Solving
-21 + 20x + 25x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-7 + -5x)' equal to zero and attempt to solve: Simplifying -7 + -5x = 0 Solving -7 + -5x = 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 + -5x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5x = 0 + 7 -5x = 0 + 7 Combine like terms: 0 + 7 = 7 -5x = 7 Divide each side by '-5'. x = -1.4 Simplifying x = -1.4

Subproblem 2

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {-1.4, 0.6}

See similar equations:

| 70x-4=0 | | 5x(5x+4)=0 | | 6x^2-12-18x=0 | | 4a-2(3a-5)=3(a-2) | | B/2.4=6 | | Z=ln*(5x^2+4y) | | 10x-6=8+2 | | sen(4x)-sen(2x)=0 | | (x+3)(x-2)=5(x+3) | | 4(x-3)+6(x+10)-15=-22 | | 8-2g+5g+3= | | 4(x-3)+6(x+10)-15=-23 | | 3x(3x^2-10x+3)=0 | | -12h=-60 | | 42=144 | | X+y=4z | | 3x^2+18+24= | | 2a+4=12a+6 | | a*a(a-2b)+3b(a*a-4)= | | t+15=20 | | =-4x^3+18x | | 1/3n4 | | -2p+1=5 | | (5x+7)-(3x-1)=22 | | 2x^2-6ix^3-2x^2+(3-4i)x-5i+2=0 | | 2x^2-6ix^3-2x^2+(3-4i)x-5i=0 | | 2x^2+5x+3=15 | | 22x^2+5x+3=15 | | 0.5x+2.49=-.07x+6.69 | | 1=b-13 | | 3cos^2x=7sinx+5 | | X-52=100 |

Equations solver categories