Mathematics: Which of these expressions cannot be simplified by combining like terms? 5ab3+7−3a2b2+a3b−10, 5ab3+3a2b2+a3b−10, 5ab3+2b(3ab2)+a3b−10, or 5a3b3+3a2b2+a3b3−10ab

Which of these expressions cannot be simplified by

Ответ:

Suhayb981

07.01.2022

$5ab^{3} +7-3a^{2} b ^{2} +a^{3}b+10$ can be simplified to by adding the 7 and 10 to get $a^{3}b-3a^{2} b ^{2}+ 5ab^{3} + 17$ .

$5ab^{3}+3a^{2}b^{2}+a^{3}b -10$ cannot be simplified any more by combining like terms.

By distributing the 2b into the parentheses, you can simplify the expression:
$5ab^{3}+2b(3ab^{2})+a^{3}b-10\\
5ab^{3}+6ab^{3}+a^{3}b-10\\
11ab^{3}+a^{3}b-10$

Here you can just add:
$5a^{3}b^{3}+3a^{2}b^{2}+a^{3}b^{3}-10ab\\
6a^{3}b^{3}+3a^{2}b^{2}-10ab$

Thus, the only expression that cannot simplify any more using adding like terms is the second, $5ab^{3}+3a^{2}b^{2}+a^{3}b -10$ .

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Ответ:

jamarlittles9132

12.03.2023

Mathematics

You have to use a calculated or use your fingers
Answer : b

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Which of these expressions cannot be simplified by combining like terms?
5ab3+7−3a2b2+a3b−10, 5ab3+3a2b2+a3b−10, 5ab3+2b(3ab2)+a3b−10, or 5a3b3+3a2b2+a3b3−10ab

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