2(7x+(-4))(7x+4)=

Solution for 2(7x+(-4))(7x+4)= equation:

Simplifying
2(7x + (-4))(7x + 4) = 0
2(7x + -4)(7x + 4) = 0

Reorder the terms:
2(-4 + 7x)(7x + 4) = 0

Reorder the terms:
2(-4 + 7x)(4 + 7x) = 0

Multiply (-4 + 7x) * (4 + 7x)
2(-4(4 + 7x) + 7x * (4 + 7x)) = 0
2((4 * -4 + 7x * -4) + 7x * (4 + 7x)) = 0
2((-16 + -28x) + 7x * (4 + 7x)) = 0
2(-16 + -28x + (4 * 7x + 7x * 7x)) = 0
2(-16 + -28x + (28x + 49x2)) = 0

Combine like terms: -28x + 28x = 0
2(-16 + 0 + 49x2) = 0
2(-16 + 49x2) = 0
(-16 * 2 + 49x2 * 2) = 0
(-32 + 98x2) = 0

Solving
-32 + 98x2 = 0

Solving for variable 'x'.

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

Add '32' to each side of the equation.
-32 + 32 + 98x2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 98x2 = 0 + 32
98x2 = 0 + 32

Combine like terms: 0 + 32 = 32
98x2 = 32

Divide each side by '98'.
x2 = 0.3265306122

Simplifying
x2 = 0.3265306122

Take the square root of each side:
x = {-0.571428571, 0.571428571}