7x*5x+25=340

Solution for 7x*5x+25=340 equation:

Simplifying
7x * 5x + 25 = 340

Reorder the terms for easier multiplication:
7 * 5x * x + 25 = 340

Multiply 7 * 5
35x * x + 25 = 340

Multiply x * x
35x2 + 25 = 340

Reorder the terms:
25 + 35x2 = 340

Solving
25 + 35x2 = 340

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 35x2 = 340 + -25

Combine like terms: 25 + -25 = 0
0 + 35x2 = 340 + -25
35x2 = 340 + -25

Combine like terms: 340 + -25 = 315
35x2 = 315

Divide each side by '35'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}