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Mathematics, 11.06.2021 18:50 brianamitzel1013

The work of a student to find the dimensions of a rectangle of area 8 + 12x and width 4 is shown below: Step 1: 8 + 12x
Step 2: 4(4) + 4(8x)
Step 3: 4(4 + 8x)
Step 4: Dimensions of the rectangle are 4 and 4 + 8x

In which step did the student first make an error and what is the correct step? (1 point)

Select one:
a. Step 2; 4(2) + 4x(2)
b. Step 2; 4(2) + 4(3x)
c. Step 3; 4 + (4 + 8x)
d. Step 3; 4 + (4 β‹… 8x)

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