natee23
natee23
09-05-2017
Mathematics
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Find the difference (8ab+2a-9)-(7ab-5)
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Аноним
Аноним
09-05-2017
(8ab+2a-9)-(7ab-5)
= 8ab+2a-9 - 7ab + 5
= ab + 2a -4 (combine like terms)
= 2a + ab - 4
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