(4x+5)(4x+7)=0

Simple and best practice solution for (4x+5)(4x+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 (4x+5)(4x+7)=0 equation: 


Simplifying
(4x + 5)(4x + 7) = 0

Reorder the terms:
(5 + 4x)(4x + 7) = 0

Reorder the terms:
(5 + 4x)(7 + 4x) = 0

Multiply (5 + 4x) * (7 + 4x)
(5(7 + 4x) + 4x * (7 + 4x)) = 0
((7 * 5 + 4x * 5) + 4x * (7 + 4x)) = 0
((35 + 20x) + 4x * (7 + 4x)) = 0
(35 + 20x + (7 * 4x + 4x * 4x)) = 0
(35 + 20x + (28x + 16x2)) = 0

Combine like terms: 20x + 28x = 48x
(35 + 48x + 16x2) = 0

Solving
35 + 48x + 16x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + 4x)(5 + 4x) = 0


Subproblem 1
Set the factor '(7 + 4x)' equal to zero and attempt to solve:

Simplifying
7 + 4x = 0

Solving
7 + 4x = 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 + 4x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 0 + -7
4x = 0 + -7

Combine like terms: 0 + -7 = -7
4x = -7

Divide each side by '4'.
x = -1.75

Simplifying
x = -1.75

Subproblem 2
Set the factor '(5 + 4x)' equal to zero and attempt to solve:

Simplifying
5 + 4x = 0

Solving
5 + 4x = 0

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

Add '-5' to each side of the equation.
5 + -5 + 4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 0 + -5
4x = 0 + -5

Combine like terms: 0 + -5 = -5
4x = -5

Divide each side by '4'.
x = -1.25

Simplifying
x = -1.25
Solution
x = {-1.75, -1.25}

See similar equations:

| 98.6f-c=160 | | 36=-9x | | -3(x+2)+8x=14 | | 2x+y/4=18 | | 5x^2-15y+5= | | 7y^0*4y^3= | | 5x-14=4x+-7 | | 5+-4=b | | 7-3x=5x+3 | | 7x+14y-28= | | 12x^2-76x+20=0 | | x/15+9=11 | | -k=-12 | | 5x+8-3(x+1)=9x+8 | | 5(4)/1^2+8=88 | | 18m+24n-12= | | 6(4)/1^2+8=88 | | 13x+5=9x-23 | | -7=k/-3 | | 9m-4n+12= | | B/-5=-10 | | 3t-13=-t-1 | | K/4=6 | | -x+6=20-10x | | 3x+6=15x-30 | | 13-10x=137-38x | | 9x-15y+24= | | -23+n=-18 | | -6-4x=34 | | 7x-4(x+4)+20=25 | | 12x^2-72x-36= | | X^4-5x^3-7x^2-35x-98=0 |

Equations solver categories