Question

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Answer 1

i would factor it, then make a table hen graph iy

Answer 2

almost.... you need to factor more

Answer 3

ok... you have a perfect square in the form of \[(a^2-b^2) = (a+b)(a-b) \]

Answer 4

\[(x^2-4) \] is a perfect square..
what is the square root of x^2 and what is the square root of 4

Answer 5

no.