4(9)(-25)=x

Solution for 4(9)(-25)=x equation:

Simplifying
4(9)(-25) = x

Multiply 4 * 9
36 * -25 = x

Multiply 36 * -25
-900 = x

Solving
-900 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-900 + -1x = x + -1x

Combine like terms: x + -1x = 0
-900 + -1x = 0

Add '900' to each side of the equation.
-900 + 900 + -1x = 0 + 900

Combine like terms: -900 + 900 = 0
0 + -1x = 0 + 900
-1x = 0 + 900

Combine like terms: 0 + 900 = 900
-1x = 900

Divide each side by '-1'.
x = -900

Simplifying
x = -900