4x^2-25=15x

Simple and best practice solution for 4x^2-25=15x 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 4x^2-25=15x equation:


Simplifying
4x2 + -25 = 15x

Reorder the terms:
-25 + 4x2 = 15x

Solving
-25 + 4x2 = 15x

Solving for variable 'x'.

Reorder the terms:
-25 + -15x + 4x2 = 15x + -15x

Combine like terms: 15x + -15x = 0
-25 + -15x + 4x2 = 0

Factor a trinomial.
(-5 + -4x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

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

Solution

x = {-1.25, 5}

See similar equations:

| 0.02*x=0.05*y-10000 | | 100x=1500 | | 8x+15=5x-45 | | 4a^4-16a^2+16= | | -x^2+7x=1 | | 1.2-0.8=-6 | | 3x+12+2x=-18 | | -x^3-x^2-x-2=0 | | 3n^2-21n+30= | | -16c^2-16c-5=-5-17c^2 | | 2n^2-8n-42=0 | | 20=d/.5 | | 6x+3(5x-2)=36 | | .5x+.45(50)=38.5 | | 0.2x+0.75=0.5x+2 | | 8x+4-2(1-x)=8+10x-8 | | 5x(3x)=102 | | 5x^3+19x=-12 | | 3n-4j=28 | | 7a^2-56a+112=0 | | 12x+8=16x+4 | | (x+6)*30= | | 4c^2+47c+70=0 | | 5x+3x=102 | | h*h+28-3=0 | | y^2-3y-(5/2)=0 | | a+(a-5)=17 | | 3x^2+6x-62=7 | | a+(a-3)=17 | | 2-5sin(0.5x-1.5)=0 | | 2/15=c/75 | | 2(h-82)=20 |

Equations solver categories