(4a-7)(-7a+4)=0

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


Simplifying
(4a + -7)(-7a + 4) = 0

Reorder the terms:
(-7 + 4a)(-7a + 4) = 0

Reorder the terms:
(-7 + 4a)(4 + -7a) = 0

Multiply (-7 + 4a) * (4 + -7a)
(-7(4 + -7a) + 4a * (4 + -7a)) = 0
((4 * -7 + -7a * -7) + 4a * (4 + -7a)) = 0
((-28 + 49a) + 4a * (4 + -7a)) = 0
(-28 + 49a + (4 * 4a + -7a * 4a)) = 0
(-28 + 49a + (16a + -28a2)) = 0

Combine like terms: 49a + 16a = 65a
(-28 + 65a + -28a2) = 0

Solving
-28 + 65a + -28a2 = 0

Solving for variable 'a'.

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

Subproblem 1

Set the factor '(-7 + 4a)' equal to zero and attempt to solve: Simplifying -7 + 4a = 0 Solving -7 + 4a = 0 Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 4a = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 4a = 0 + 7 4a = 0 + 7 Combine like terms: 0 + 7 = 7 4a = 7 Divide each side by '4'. a = 1.75 Simplifying a = 1.75

Subproblem 2

Set the factor '(4 + -7a)' equal to zero and attempt to solve: Simplifying 4 + -7a = 0 Solving 4 + -7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7a = 0 + -4 -7a = 0 + -4 Combine like terms: 0 + -4 = -4 -7a = -4 Divide each side by '-7'. a = 0.5714285714 Simplifying a = 0.5714285714

Solution

a = {1.75, 0.5714285714}

See similar equations:

| 1/4^2-3x-8x | | 4f+2+9f-8= | | 189-36= | | x=-0.25+1.25y-0.75z | | 4x^3+3x=0 | | 3x+11+2x=5+x-6 | | .5x=y-3 | | 8x-16+3x=3-4x+11 | | 4a+5=2a+13 | | 3sin(x)+2cos(x)=1 | | 8+(5x-6)=3x-(x+4) | | 4x-5y-3z=-1 | | 16y+144=13x+117 | | 4x-10=-22-4x | | 15x+20y=900 | | 3(2q+3)+4(q-2)=8 | | 4.43=-log(x) | | x-0.25=24 | | 3(2q+3)+4(q-2)=a | | 4x-5x-3z=-1 | | (1/4)^(8-7x)=32 | | 2x^2-19=13 | | 81*D*J=6561+D^2+J^2 | | Y*D*J=Y^2+D^2+J^2 | | 4(a-2)=3(a+3) | | 2x-3(7-3x)=12 | | x+.03*x=5000 | | .5b+0.5b= | | 2x+kx=6 | | 4/3-3(4/3)/8 | | 1/36=1/25*(5/6)^x | | 12+y=30 |

Equations solver categories