Description
For this assignment you will complete 5 problems numbers #,#24,25,26, and #27 . The file is attached thanks for helping me with my problems.
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Explanation & Answer
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24. 3(3𝑟 + 7)(𝑟 − 7) = 3(3𝑟 2 + 7𝑟 − 21𝑟 − 49) = 3(3𝑟 2 − 14𝑟 − 49) = 𝟗𝒓𝟐 − 𝟒𝟐𝒓 − 𝟏𝟒𝟕.
25. 𝑥 4 + 2𝑥 3 − 7𝑥 = 𝑥 3 (𝑥 − 1) + 𝑥 3 + 2𝑥 3 − 7𝑥 = 𝑥 3 (𝑥 − 1) + 3𝑥 3 − 7𝑥 =
= 𝑥 3 (𝑥 − 1) + 3𝑥 2 (𝑥 − 1) + 3𝑥 2 − 7𝑥 =
= 𝑥 3 (𝑥 − 1) + 3𝑥 2 (𝑥 − 1) + 3𝑥(𝑥 − 1) + 3𝑥 − 7𝑥 =
= 𝑥 3 (𝑥 − 1) +...