yddlex
18.12.2020 •
Mathematics
Simplify.
(22-7y+6)-(-4y2 + 3y+5)
Solved
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Ответ:
Step-by-step explanation:
(22 - 7y + 6) - (-4y² + 3y + 5) = 22 + -7y + 6 + 4y² - 3y - 5
= 22 + 6 - 5 - 7y - 3y + 4y²
= 23 - 10y + 4y²
Ответ:
estimation : 2 * 2 = 4
actual : 2.4 * 1.7 = 4.08