Problem 6 of 7
Verify the polynomial identity by expansion: (x-5)(x+3)=x^2-2x-15.
Hints
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Hidden until you reveal it.
expand both sides and compare.
Hidden until you reveal it.
Identity verification must show both sides simplify to the same polynomial.
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Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Expand one or both sides.
2. Combine like terms.
3. Compare the simplified forms term by term.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Checking only one numeric value as proof of identity.