Question

Luis made an error when he used the distributive property to solve the problem shown. In which step did he make the error?Evaluate 60 • x-60 • 15, when x=8.Step 1 60• x - 60 • 15 = 60(x-15)Step 2 = 60 • 8 - 15Step 3 = 480 - 15Step 4 = 456

Answer 1

Given:

The steps are shown in the question.

There is a mistake in step 3 that can be corrected as:

Step 1:

$60.x-60.15=60(x-15)$

Step 2: x=8:

$=60(8-15)$

Step 3:

$undefined$