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8 votes
8 votes
May anyone help?? i didnt score correct also can someone please correct me

May anyone help?? i didnt score correct also can someone please correct me-example-1
User Skiphoppy
by
2.9k points

1 Answer

24 votes
24 votes


\longrightarrow f( \rm x) = (x - 4)(x + 4)


\\ \\


\longrightarrow f( \rm x) = {(x)}^(2) - {(4)}^(2)


\\ \\


\longrightarrow f( \rm x) = {x}^(2) - 16

Formula used = (a + b) (a - b) = a² - b²

User Mark Rowlands
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