At the beginning of the school year, Jamie had
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Answer:
Concept:
Here, we need to know how to expand expressions like (a - b)(a + b).
For expressions like (a - b)(a + b), the expanded form must be:
<u>a² - b²</u>
For checking whether it is true:
(a - b)(a + b)
= a² - ab + ba - b²
= a² - b²
Solve:
<u>Given equation</u>
<u>Expand the parenthesis by the concept</u>
<u>Simplify the exponents</u>
<u>Add 22 on both sides</u>
Hope this helps!! :)
Please let me know if you have any questions