document.write( "Question 873763: Vertex form f(x)=(x+6)(x+2) \n" ); document.write( "

Algebra.Com's Answer #527093 by ewatrrr(24785) $\"\"$ $\"About$

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f(x)=(x+6)(x+2)
\n" ); document.write( " = 1x^2 + 8x + 12 $\"4+=+8%2F%281%2A2%29\"$
\n" ); document.write( " = (x+4)^2-16 + 12
\n" ); document.write( " = (x+4)^2 - 4 V(-4, -4)
\n" ); document.write( "the vertex form of a Parabola opening up(a>0) or down(a<0), $\"f%28x%29=a%28x-h%29%5E2+%2Bk\"$
\n" ); document.write( "where(h,k) is the vertex and x = h is the Line of Symmetry
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