(2s+7)(s-9)=0

Simple and best practice solution for (2s+7)(s-9)=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 (2s+7)(s-9)=0 equation:


Simplifying
(2s + 7)(s + -9) = 0

Reorder the terms:
(7 + 2s)(s + -9) = 0

Reorder the terms:
(7 + 2s)(-9 + s) = 0

Multiply (7 + 2s) * (-9 + s)
(7(-9 + s) + 2s * (-9 + s)) = 0
((-9 * 7 + s * 7) + 2s * (-9 + s)) = 0
((-63 + 7s) + 2s * (-9 + s)) = 0
(-63 + 7s + (-9 * 2s + s * 2s)) = 0
(-63 + 7s + (-18s + 2s2)) = 0

Combine like terms: 7s + -18s = -11s
(-63 + -11s + 2s2) = 0

Solving
-63 + -11s + 2s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-7 + -2s)(9 + -1s) = 0

Subproblem 1

Set the factor '(-7 + -2s)' equal to zero and attempt to solve: Simplifying -7 + -2s = 0 Solving -7 + -2s = 0 Move all terms containing s to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2s = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2s = 0 + 7 -2s = 0 + 7 Combine like terms: 0 + 7 = 7 -2s = 7 Divide each side by '-2'. s = -3.5 Simplifying s = -3.5

Subproblem 2

Set the factor '(9 + -1s)' equal to zero and attempt to solve: Simplifying 9 + -1s = 0 Solving 9 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1s = 0 + -9 -1s = 0 + -9 Combine like terms: 0 + -9 = -9 -1s = -9 Divide each side by '-1'. s = 9 Simplifying s = 9

Solution

s = {-3.5, 9}

See similar equations:

| 5.6+Y=49.2 | | h(h-7)=0 | | 5t^6+2t^5-5t^4-2t^3=0 | | -20+7= | | 9x+5=24 | | Y=11.50x+40 | | (f+3)(f-2)=0 | | 4(-1-2P)=3(12-P) | | -4.8+1.6b=1.8+3.6b | | 4x+4y=14 | | q^2-3q+2=0 | | 4.8+1.6b=1.8+3.6b | | 4(b-10)+28=10b-6(b+16) | | 9a-6=3a+4 | | j^2+15j-16=0 | | 2a-3[2a-3(2a-3)]= | | 4(x+6)-4=24-2x-4+6x | | X-15=(21) | | y^4-5y^2-50=0 | | y+7/8=1 | | -1+9(x-1)=12x+4-3x | | 7s-2f-5s+14f= | | sqrt(u+8)=6 | | 3x+17=5x+13 | | ln(x)+ln(x^7)=8 | | 2,46+353= | | -6.6(3t+5)-1.5(4t-6)= | | 3(m+2)+m= | | 2(x-3)-6=60 | | y=4+16+13 | | solve(x-9)(2x+1)=0 | | 3*e^8r=83.7 |

Equations solver categories