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

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

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

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

Multiply (2 + -7x) * (2 + 7x)
(2(2 + 7x) + -7x * (2 + 7x)) = 0
((2 * 2 + 7x * 2) + -7x * (2 + 7x)) = 0
((4 + 14x) + -7x * (2 + 7x)) = 0
(4 + 14x + (2 * -7x + 7x * -7x)) = 0
(4 + 14x + (-14x + -49x2)) = 0

Combine like terms: 14x + -14x = 0
(4 + 0 + -49x2) = 0
(4 + -49x2) = 0

Solving
4 + -49x2 = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -49x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -49x2 = 0 + -4
-49x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-49x2 = -4

Divide each side by '-49'.
x2 = 0.08163265306

Simplifying
x2 = 0.08163265306

Take the square root of each side:
x = {-0.285714286, 0.285714286}