(4-w)(2w+7)=0

Simple and best practice solution for (4-w)(2w+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 (4-w)(2w+7)=0 equation:


Simplifying
(4 + -1w)(2w + 7) = 0

Reorder the terms:
(4 + -1w)(7 + 2w) = 0

Multiply (4 + -1w) * (7 + 2w)
(4(7 + 2w) + -1w * (7 + 2w)) = 0
((7 * 4 + 2w * 4) + -1w * (7 + 2w)) = 0
((28 + 8w) + -1w * (7 + 2w)) = 0
(28 + 8w + (7 * -1w + 2w * -1w)) = 0
(28 + 8w + (-7w + -2w2)) = 0

Combine like terms: 8w + -7w = 1w
(28 + 1w + -2w2) = 0

Solving
28 + 1w + -2w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(4 + -1w)(7 + 2w) = 0

Subproblem 1

Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Subproblem 2

Set the factor '(7 + 2w)' equal to zero and attempt to solve: Simplifying 7 + 2w = 0 Solving 7 + 2w = 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 + 2w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2w = 0 + -7 2w = 0 + -7 Combine like terms: 0 + -7 = -7 2w = -7 Divide each side by '2'. w = -3.5 Simplifying w = -3.5

Solution

w = {4, -3.5}

See similar equations:

| 3.1q-4.5-4.6q=-2.5q-3.9 | | 0.05(10000)+0.09x=0.080(10000+x) | | (a+5)(a-3)=0 | | 2x+12=74-5x | | 10x-5+x=4x+9 | | -3=8x-3 | | 9(2x-6)=16x+4 | | x^2-14x+49=14 | | 3a^2-3=-26 | | -5y+4=-6y+6 | | 2/5+3x=47 | | 2y+7-8y+5-3y=14-6y-2-3y | | 18(b-2)=6p+4 | | 8p+8=11+7p | | -18x+3y=27 | | 15y=3+48 | | 5x-8-8x+10-3x=9-x+6-5x-13 | | -10a-8=-58 | | x-12.6=40 | | -1+-5+3m^2=0 | | 10x-8+3x-7+x=20x-10-6x | | 54=9v | | -17.1m=23.8 | | 6z+12z-18-5z=12z+4z-11+z | | 3x^2+72x+192=0 | | n-6/3n=1/2 | | 3m^2-5m-1=0 | | 3(4x+2)=6(2x+7) | | 7x+5-2x+9x=14x-9+2x-11+8 | | 2x+84=84x+12 | | 5-2x=31 | | 7+5/3+6 |

Equations solver categories