2a^2-15a=-25

Simple and best practice solution for 2a^2-15a=-25 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 2a^2-15a=-25 equation:


Simplifying
2a2 + -15a = -25

Reorder the terms:
-15a + 2a2 = -25

Solving
-15a + 2a2 = -25

Solving for variable 'a'.

Reorder the terms:
25 + -15a + 2a2 = -25 + 25

Combine like terms: -25 + 25 = 0
25 + -15a + 2a2 = 0

Factor a trinomial.
(5 + -2a)(5 + -1a) = 0

Subproblem 1

Set the factor '(5 + -2a)' equal to zero and attempt to solve: Simplifying 5 + -2a = 0 Solving 5 + -2a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2a = 0 + -5 -2a = 0 + -5 Combine like terms: 0 + -5 = -5 -2a = -5 Divide each side by '-2'. a = 2.5 Simplifying a = 2.5

Subproblem 2

Set the factor '(5 + -1a)' equal to zero and attempt to solve: Simplifying 5 + -1a = 0 Solving 5 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1a = 0 + -5 -1a = 0 + -5 Combine like terms: 0 + -5 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5

Solution

a = {2.5, 5}

See similar equations:

| -16x+7y=-30 | | -12=3-2k-3(k+2) | | -3(2x+5)-8=25 | | 3(1-1y)=-11 | | (554/2*3.14)^2 | | x^4-x^3+x^2-3x-6=f(x) | | -3(4r-8)+3r=-36 | | 6x+7y+8Z=167 | | 9-2x=3W | | 2y+50=80 | | Ln(y)=4ln(2) | | 2(1)+y=11 | | 10-3x-1x^2=0 | | 6n^2-25n+24=0 | | 7=1/6(77/2-6) | | e^x=91/4 | | 8k^(5/4) | | 7=1/6(36-6) | | 1.2-x=-1.9 | | 7=1/6(-36-6) | | 7=1/6(48-6) | | lnx+lnx+4=3 | | 21x-5y=-20 | | 21a^2-7a=0 | | 6x=10x-5 | | 24/18-18/24 | | -2x+5=-x+7 | | 3x+2.7y=-5.3 | | 0.95x+0.05(12-x)=0.10(24) | | 7=1/6(n-6) | | 2xy-3y^2=9 | | X/8=9/15 |

Equations solver categories