subject
Mathematics, 19.04.2021 23:38 thasen31

Adam solved this problem. His teacher said it was incorrect. Find his error and correct it. (a − 3)(5a3 − a2 + 2a − 7) = (a)(5a3 − a2 + 2a − 7) − (3)(5a3 − a2 + 2a − 7) = 5a4 − a3 + 2a2 − 7a − 15a3 + 3a2 + 6a − 21 = 5a4 − 16a3 + 5a2 − a − 21

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Which inequality comparing two of the expressions is true when 0.7 < x < 0.9
Answers: 1
question
Mathematics, 21.06.2019 18:30
Which value would be a solution for x in the inequality 47-4x< 7
Answers: 1
question
Mathematics, 21.06.2019 21:10
What is the measure of one interior angle of a pentagon
Answers: 2
question
Mathematics, 22.06.2019 00:20
What is the value for this expression? 2e-5
Answers: 1
You know the right answer?
Adam solved this problem. His teacher said it was incorrect. Find his error and correct it. (a − 3)(...
Questions
question
Mathematics, 26.07.2019 18:30
Questions on the website: 13722361