(49x*7x+8x*4x)=57

Solution for (49x*7x+8x*4x)=57 equation:

Simplifying
(49x * 7x + 8x * 4x) = 57

Reorder the terms for easier multiplication:
(49 * 7x * x + 8x * 4x) = 57

Multiply 49 * 7
(343x * x + 8x * 4x) = 57

Multiply x * x
(343x2 + 8x * 4x) = 57

Reorder the terms for easier multiplication:
(343x2 + 8 * 4x * x) = 57

Multiply 8 * 4
(343x2 + 32x * x) = 57

Multiply x * x
(343x2 + 32x2) = 57

Combine like terms: 343x2 + 32x2 = 375x2
(375x2) = 57
(375x2) = 57

Solving
(375x2) = 57

Solving for variable 'x'.

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

Divide each side by '375'.
x2 = 0.152

Simplifying
x2 = 0.152

Take the square root of each side:
x = {-0.389871774, 0.389871774}