(9w+5)(4w-7)=0

Simple and best practice solution for (9w+5)(4w-7)=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 (9w+5)(4w-7)=0 equation: 


Simplifying
(9w + 5)(4w + -7) = 0

Reorder the terms:
(5 + 9w)(4w + -7) = 0

Reorder the terms:
(5 + 9w)(-7 + 4w) = 0

Multiply (5 + 9w) * (-7 + 4w)
(5(-7 + 4w) + 9w * (-7 + 4w)) = 0
((-7 * 5 + 4w * 5) + 9w * (-7 + 4w)) = 0
((-35 + 20w) + 9w * (-7 + 4w)) = 0
(-35 + 20w + (-7 * 9w + 4w * 9w)) = 0
(-35 + 20w + (-63w + 36w2)) = 0

Combine like terms: 20w + -63w = -43w
(-35 + -43w + 36w2) = 0

Solving
-35 + -43w + 36w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-5 + -9w)(7 + -4w) = 0


Subproblem 1
Set the factor '(-5 + -9w)' equal to zero and attempt to solve:

Simplifying
-5 + -9w = 0

Solving
-5 + -9w = 0

Move all terms containing w to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -9w = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -9w = 0 + 5
-9w = 0 + 5

Combine like terms: 0 + 5 = 5
-9w = 5

Divide each side by '-9'.
w = -0.5555555556

Simplifying
w = -0.5555555556

Subproblem 2
Set the factor '(7 + -4w)' equal to zero and attempt to solve:

Simplifying
7 + -4w = 0

Solving
7 + -4w = 0

Move all terms containing w to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -4w = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -4w = 0 + -7
-4w = 0 + -7

Combine like terms: 0 + -7 = -7
-4w = -7

Divide each side by '-4'.
w = 1.75

Simplifying
w = 1.75
Solution
w = {-0.5555555556, 1.75}

See similar equations:

| 3x+27-7= | | 4(2+3x)(x-5)=0 | | x^2+3x-16=-8x-4 | | 4(2x-9)=6x-12x+30 | | .20y-.8=.1y+1-.5y | | x^2+8x+47=-8x-1 | | (3y+7)(4y+29)=0 | | (x+5)(x-6)=(2x+3)(x-6) | | 34=-9+8(n+4) | | -3-3y=-4 | | 6r-25=-34+5r | | 2500+40a=4000 | | 2080+x(145.50)=3971.50 | | -v^2=9-6v | | -3(2t+9)=-33 | | x^2+x-3=9 | | (x-4)(x+4)=-2 | | (x-4)(x-4)=-2 | | 5x=3(23+x) | | X=9-1 | | 5y+(-7x)-6x+1-3y+4= | | 2k+2-5k=-7 | | -1-n-4n=-6 | | 4(2+3x)-(x-5)=0 | | 2(5x-10)-8(7-2x)+6(-8x+5)=-10x(8-7x) | | 19x-6=20x-8+2x | | 3(4s+4)=96 | | 2n-4n=-4 | | -23=8(4z-9) | | 30x+45y=4118 | | 2x+40=x+90 | | 415+x(5)=600 |

Equations solver categories