Question

Pls, help hurry! a⁴-9
and explain pls

Answer 1

100 POINTS! (50 split up) PLSSSSSSSSSS HELP!!! I REALLY NEED IT SO MUCH :( I PROMICE2 g. Describe your results in terms of precision and accuracy. Explain your answer in a paragraph for the best grade.

Explanation:

Answer 2

`{a}^(4) - 9 \\ = {a}^{ {2}^(2) } - {3}^(2) \\ let \: {a}^(2) \: be \: y \\ = {y}^(2) - {3}^(2) \\ from \: difference \: of \: squares \\ = (y - 3)(y + 3) \\ substitute \: for \: y \\ = ( {a}^(2) - 3)( {a}^(2) + 3)`