QUESTION IMAGE
Question
factor each completely.
- $n^2 + 12n + 35$
- $x^2 - 3x - 40$
- $p^2 + p - 72$
- $n^2 + 12n + 35$
- $m^2 - 8m - 20$
- $v^2 - 2v + 1$
- $k^2 + 4k - 60$
- $k^2 - 15k + 56$
- $x^2 - x - 72$
- $n^2 + 15n + 56$
Response
Problem 1: \( n^2 + 12n + 35 \)
Step1: Find two numbers that multiply to 35 and add to 12.
The numbers are 5 and 7 (since \( 5 \times 7 = 35 \) and \( 5 + 7 = 12 \)).
Step2: Factor the quadratic.
Using the numbers from Step 1, we can write the quadratic as \( (n + 5)(n + 7) \).
Step1: Find two numbers that multiply to -40 and add to -3.
The numbers are -8 and 5 (since \( -8 \times 5 = -40 \) and \( -8 + 5 = -3 \)).
Step2: Factor the quadratic.
Using the numbers from Step 1, we can write the quadratic as \( (x - 8)(x + 5) \).
Step1: Find two numbers that multiply to -72 and add to 1.
The numbers are 9 and -8 (since \( 9 \times (-8) = -72 \) and \( 9 + (-8) = 1 \)).
Step2: Factor the quadratic.
Using the numbers from Step 1, we can write the quadratic as \( (p + 9)(p - 8) \).
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\( (n + 5)(n + 7) \)