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

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


Simplifying
(4w + 9)(7 + -1w) = 0

Reorder the terms:
(9 + 4w)(7 + -1w) = 0

Multiply (9 + 4w) * (7 + -1w)
(9(7 + -1w) + 4w * (7 + -1w)) = 0
((7 * 9 + -1w * 9) + 4w * (7 + -1w)) = 0
((63 + -9w) + 4w * (7 + -1w)) = 0
(63 + -9w + (7 * 4w + -1w * 4w)) = 0
(63 + -9w + (28w + -4w2)) = 0

Combine like terms: -9w + 28w = 19w
(63 + 19w + -4w2) = 0

Solving
63 + 19w + -4w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(7 + -1w)(9 + 4w) = 0

Subproblem 1

Set the factor '(7 + -1w)' equal to zero and attempt to solve: Simplifying 7 + -1w = 0 Solving 7 + -1w = 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 + -1w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1w = 0 + -7 -1w = 0 + -7 Combine like terms: 0 + -7 = -7 -1w = -7 Divide each side by '-1'. w = 7 Simplifying w = 7

Subproblem 2

Set the factor '(9 + 4w)' equal to zero and attempt to solve: Simplifying 9 + 4w = 0 Solving 9 + 4w = 0 Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4w = 0 + -9 4w = 0 + -9 Combine like terms: 0 + -9 = -9 4w = -9 Divide each side by '4'. w = -2.25 Simplifying w = -2.25

Solution

w = {7, -2.25}

See similar equations:

| -6x-6y=18 | | x/1.5= | | -4+c+13=-5 | | 8/2+7=5/2+1 | | 5/6x-1/5+4=7/10x | | b/19-2=-4 | | .25x=2.75 | | 15a-8=10a+7 | | 3x+21-4x=40 | | 6-x=x+3 | | 0.14x+0.8(x-1)=0.01(2x-3) | | 14.5+z=-4 | | 1/2x=-3 | | 25x-4=0 | | 4a-2=5a+5 | | 108-7x=11x+24 | | 2(2x-1)+4=26 | | 5t+4=-16 | | 4v-9=56 | | -9y+5=-3y-17 | | -12a=132 | | 0.17x+0.4(x-4)=0.01(2x-3) | | 11-7x=80-28x | | 0=2x^2-14x-120 | | -5x+1/3=8/3 | | 2(3*-4)=4 | | 4(x-1)/3-2(x-3)/6=5 | | 45/2/9/8 | | .25(5x-3)=7 | | 7n-6=9n-114 | | 2+n=9 | | 2x-4=4x-12 |

Equations solver categories