What is the correct answer NEED ASAP PLEASE

Answer:
1 solution
Step-by-step explanation:
x^2 - 14x + 49 = 0
Factor the expression:
x - 7
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x | x^2 | - 7x |
- ------------------------
7 | - 7x | 49 |
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(x - 7)^2 = 0
x - 7 = 0
x = 7