Problem 114 of 7
Complete missing terms in the polynomial identity: __-49=(z-7)(z+7).
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
infer coefficients and structure.
Hidden until you reveal it.
Infer missing terms from the matching identity structure.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Identify the identity family.
2. Match a and b values.
3. Fill signs and coefficients from the identity.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Missing middle terms in square or cube identities.