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Answer:
(7x +5)(x - 3)
Explanation:
Starting with:
7x² - 16 - 15
Find two numbers that add up to -16 and multiply to form -15. Remember the coefficient of 7 in the front of the equation.
The numbers '5' and '-3' can be derived. Put these into factored form:
(7x +5)(x - 3)