9x^2+40x=25

Simple and best practice solution for 9x^2+40x=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 9x^2+40x=25 equation:


Simplifying
9x2 + 40x = 25

Reorder the terms:
40x + 9x2 = 25

Solving
40x + 9x2 = 25

Solving for variable 'x'.

Reorder the terms:
-25 + 40x + 9x2 = 25 + -25

Combine like terms: 25 + -25 = 0
-25 + 40x + 9x2 = 0

Factor a trinomial.
(-5 + -1x)(5 + -9x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -9x)' equal to zero and attempt to solve: Simplifying 5 + -9x = 0 Solving 5 + -9x = 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 + -9x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -9x = 0 + -5 -9x = 0 + -5 Combine like terms: 0 + -5 = -5 -9x = -5 Divide each side by '-9'. x = 0.5555555556 Simplifying x = 0.5555555556

Solution

x = {-5, 0.5555555556}

See similar equations:

| 18-9w= | | 4z/-12=8 | | e(x-2)=7 | | 9[9-(-8x-9)]=648x+810 | | 10x^2+84x+185=0 | | -ax=b-c | | -y+42-3y=6 | | (2p-1)(p+3)-(7p+4)(p+3)= | | 1/3-4=-y | | 3=3(2x-4)-3(4x+4)-10 | | 36r^2-121= | | ln(6)+ln(x)=ln(6x) | | 42a^2+a-30=0 | | 6a^2-28a+16= | | 28/5 | | 36=b(5)(6) | | (B/9)-.5=(5/18) | | (x)(-3)-4=-10 | | 81x+36x+20=0 | | (3x^-5/8y^-7)^-2 | | 0=20t-5(t^2)+25 | | 4x-3/8 | | 6x-2x+7=x-2+9 | | 5x+6=30+x | | 30xm+15xn-20ym-10yn= | | 25x^4-81y^2=0 | | 1/4x=x-33 | | 5-(-3)+6= | | f(x)=-4x^2+16x-5 | | x/(36x^2-9) | | x+2x+5x=32 | | x^2+14xy+24y=0 |

Equations solver categories