JazmineDavis5930
03.10.2020 •
Mathematics
Multiply and simplify (x-2) (2x+1)
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Ответ:
2x² - 3x - 2
Step-by-step explanation:
Given
(x - 2)(2x + 1)
Each term in the second factor is multiplied by each term in the first factor, that is
x(2x + 1) - 2(2x + 1) ← distribute both parenthesis
= 2x² + x - 4x - 2 ← collect like terms
= 2x² - 3x - 2
Ответ:
86,000 / 100 = 860
Then,
860 x 7 = 6020.
Hope I've helped.