Question

Which expression is equivalent to 20x-8y?

Select the correct answer
2(10x+4y)
4(5x-8y)
4(5x-2y)
x(20-8y)

Answer 1

4(5x-2y)

Explanation:

You can only take out the 4 because 20 and 8 are divisible by 4. You also can't take out x because it's only next to the 20 in the equation.