SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the given expression

STEP 2: Multiply the constant with the leading term

STEP 3: Write the possible factors of the result in product form

STEP 4: Find the factors that will give the second term (-7x) when added

STEP 5: Substitute these factors for -7x in the expression in step 1

STEP 6: Factorize by grouping

Hence, the factors of the given expression are:
