![\bf f(x)=3x^2-2x\qquad \qquad f(a+1)=3(a+1)^2-2(a+1) \\\\\\ f(a+1)=3(a^2+2a+1)-2a-2\implies f(a+1)=3a^2+6a+3-2a-2 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill f(a+1)=3a^2+4a+1~\hfill](/tpl/images/0164/5929/83b1a.png)
Iam keeping getting wrong answer and i don’t know why?
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Mathematics, 03.08.2019 06:10 emmmmmily997
Iam keeping getting wrong answer and i don’t know why?
Answers: 1
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