Annie tried to subtract two polynomials. her work is shown below:
(k? + 2k - 13) - (-3k? +...
Mathematics, 18.11.2019 07:31 lilloser
Annie tried to subtract two polynomials. her work is shown below:
(k? + 2k - 13) - (-3k? + 9k +1)
= k? + 2k - 13+3k? +9k +1
step 1
= (1+3)k? + (2 +9)k + (-13 +1)
step 2
= 4k? + 118 - 12
step 3
at which step did annie make an error, if at all?
choose 1
Answers: 1
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