The expression that is equivalent to the given expression is 10(2x)².
Equivalent expression
The equivalent expression is obtained by simplifying the given expression as shown below;
40x², where, x ≠ 0
expand the expression as follows;
40x² = (10 x 4)x²
= (10 x 2²)x²
= 10(2²x²)
= 10(2x)²
Thus, the expression that is equivalent to the given expression is 10(2x)².
Learn more about equivalent expression here: https://brainly.com/question/2164351
