kataldaine
06.05.2020 •
Mathematics
Please Help! I don't know how to do this!
(3x^2+7x-4)-(6x^2-6x+1)
Solved
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Ответ:
-3^2+13x-5
Step-by-step explanation:
Remove parentheses.
3x^2+7x -4 - 6x^2 +6x -1
Collect like terms.
(3x^2-6x^2) + ( 7x + 6x) + ( -4 -1)
Simplify
-3^2+13x-5
Ответ:
i can not see clearly but know sum of angles is 180
Step-by-step explanation: