(-9x+7)(x+7)=

Simple and best practice solution for (-9x+7)(x+7)= 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 (-9x+7)(x+7)= equation: 


Simplifying
(-9x + 7)(x + 7) = 0

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

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

Multiply (7 + -9x) * (7 + x)
(7(7 + x) + -9x * (7 + x)) = 0
((7 * 7 + x * 7) + -9x * (7 + x)) = 0
((49 + 7x) + -9x * (7 + x)) = 0
(49 + 7x + (7 * -9x + x * -9x)) = 0
(49 + 7x + (-63x + -9x2)) = 0

Combine like terms: 7x + -63x = -56x
(49 + -56x + -9x2) = 0

Solving
49 + -56x + -9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -9x)(7 + x) = 0


Subproblem 1
Set the factor '(7 + -9x)' equal to zero and attempt to solve:

Simplifying
7 + -9x = 0

Solving
7 + -9x = 0

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

Add '-7' to each side of the equation.
7 + -7 + -9x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -9x = 0 + -7
-9x = 0 + -7

Combine like terms: 0 + -7 = -7
-9x = -7

Divide each side by '-9'.
x = 0.7777777778

Simplifying
x = 0.7777777778

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

Simplifying
7 + x = 0

Solving
7 + x = 0

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

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

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7
Solution
x = {0.7777777778, -7}

See similar equations:

| P^2+6P+27=0 | | 2P+6P+27=0 | | (-n^2-1)(n+3)= | | -4/11-6/11= | | (1/5)*2 | | -7(x+3)-14=17+4 | | 18.7-(18.7)= | | f=28+1.8c | | (2g+7)(3g^2-5g+2)= | | 6(5-n)+4n=10 | | |4-23|*(-3)/(-3)= | | 4x-6x+27=4x+39 | | (2a^2+4a+5)(5a-4)= | | 11(z+4)-4(z-2)=3(z-1)+3(z-3) | | 2x-9y=-22 | | 4+3=-9 | | PT=5X+9 | | x^2-3.43x^2=2500 | | 5x+2x-3x=12+4 | | (3v-4)(8-v)=0 | | -x^2+20x+100=0 | | 1/2*(u-3)=2u-3/2 | | (-1)2= | | 4+2+2z=12 | | f(2)=2x^2-8x+1 | | 5/2x-3=1/2(x-1) | | 8+2y+2z=12 | | 1/(2x)-3/(4x)=5 | | 1/2*x-3/4*x=5 | | 10=1+3y+1 | | 2+3+7(9)= | | 3t+7=2y |

Equations solver categories