Write this trinomial in factored form.
7x^2 - 16x - 15
Enter the correct answer.
1 answer:
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Answer:
(7x +5)(x - 3)
Step-by-step 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)
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6x + x = 49
7x=49
x=7
Substitution:
6x=6X7=42
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Answer:
7.0
Step-by-step explanation:
