(3+w)(7-w)=a

Simple and best practice solution for (3+w)(7-w)=a 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 (3+w)(7-w)=a equation: 


Simplifying
(3 + w)(7 + -1w) = a

Multiply (3 + w) * (7 + -1w)
(3(7 + -1w) + w(7 + -1w)) = a
((7 * 3 + -1w * 3) + w(7 + -1w)) = a
((21 + -3w) + w(7 + -1w)) = a
(21 + -3w + (7 * w + -1w * w)) = a
(21 + -3w + (7w + -1w2)) = a

Combine like terms: -3w + 7w = 4w
(21 + 4w + -1w2) = a

Solving
21 + 4w + -1w2 = a

Solving for variable 'w'.

Reorder the terms:
21 + -1a + 4w + -1w2 = a + -1a

Combine like terms: a + -1a = 0
21 + -1a + 4w + -1w2 = 0

The solution to this equation could not be determined.

See similar equations:

| 64x^2+4=85 | | z+3=z-6 | | 2w-8=2 | | 9+3ln-6x=3 | | 13=p-20 | | ln(x)+ln(x-29)=ln(3) | | -2[8-5(2-3x)-7x]=4(x-(-9)) | | 5(3*-4)=40 | | -2[8-5(2-3x)-7x]= | | y^2-8y+21=0 | | 12.60+2.25b=23.85 | | 7x+15=3x+15+4x | | 3x^2+16x+-12=0 | | 3x^2+11xy-4y^2=0 | | 14x^2-4x+15= | | 9x+28=172 | | 7x^2+12=44x | | -9y+5y-8-6= | | x^2+3xy-4y^2=0 | | -31y-6=-11 | | 4+5(c-6)+8c=13 | | -8(k+6)=-96 | | 3x^2y+12y= | | 2x^2-9x-99=0 | | 7h=-63 | | -12-7=-1(-9+4) | | 9x-12=30x | | 15=h+26 | | 1-ln*x=0 | | 6/7+4/x=1 | | y+y=3y-6 | | 24=24+8t-16t^2 |

Equations solver categories