(5x+9)(-7x-8)=

Simple and best practice solution for (5x+9)(-7x-8)= 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 (5x+9)(-7x-8)= equation:


Simplifying
(5x + 9)(-7x + -8) = 0

Reorder the terms:
(9 + 5x)(-7x + -8) = 0

Reorder the terms:
(9 + 5x)(-8 + -7x) = 0

Multiply (9 + 5x) * (-8 + -7x)
(9(-8 + -7x) + 5x * (-8 + -7x)) = 0
((-8 * 9 + -7x * 9) + 5x * (-8 + -7x)) = 0
((-72 + -63x) + 5x * (-8 + -7x)) = 0
(-72 + -63x + (-8 * 5x + -7x * 5x)) = 0
(-72 + -63x + (-40x + -35x2)) = 0

Combine like terms: -63x + -40x = -103x
(-72 + -103x + -35x2) = 0

Solving
-72 + -103x + -35x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(72 + 103x + 35x2) = 0

Factor a trinomial.
-1((9 + 5x)(8 + 7x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(9 + 5x)' equal to zero and attempt to solve: Simplifying 9 + 5x = 0 Solving 9 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5x = 0 + -9 5x = 0 + -9 Combine like terms: 0 + -9 = -9 5x = -9 Divide each side by '5'. x = -1.8 Simplifying x = -1.8

Subproblem 2

Set the factor '(8 + 7x)' equal to zero and attempt to solve: Simplifying 8 + 7x = 0 Solving 8 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7x = 0 + -8 7x = 0 + -8 Combine like terms: 0 + -8 = -8 7x = -8 Divide each side by '7'. x = -1.142857143 Simplifying x = -1.142857143

Solution

x = {-1.8, -1.142857143}

See similar equations:

| X^2(25/13)+c | | 2(z-1)+3=117 | | X^2-25/13x+c | | 4(x-1)/5 | | 10-8x=166-36x | | 4x-(3x+5)=2 | | 8x-18=-2 | | 6x+10x=-96 | | 4(x-1)/5+1+2/x | | 2x+4y+28=165 | | X(3x-2)x(-18x)=5x(2-3x)+6 | | N=m/7 | | -25=5x+7-4x | | 0.75t-8=1 | | 5/12=10/x+3 | | 4(x-2)=5x+3 | | -3/5p=-9 | | 6x^2+9+12=0 | | 3(3b+1)-12=12 | | x^2-24x+144=18 | | r-34=3 | | y=-x^2+8x-17 | | 5/12x=1/8 | | -(-3-2x)-(7-x)-3=-(2-x)+1 | | (4-c)+2(c-3)=-13 | | 26-x=3x-32 | | 4y+2x-2y= | | 7/x=1/2x+26 | | a/8=-4 | | 737(28q+12x)=47q-849a(49x+32l) | | 13p+9q=123 | | 9x-4(x-2)=8x+18-2x |

Equations solver categories