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(3z^2+5z)+z^2+2z)+(z-4)?

2007-10-08 00:16:48 · 2 answers · asked by tiffany b 1 in Science & Mathematics ➔ Mathematics

2 answers

(3z^2+5z) + z^2+2z+z-4
=3z^2 + 5z +z^2 + 3z-4
=4z^2 + 8z -4
=4(z^2 +2z-1)

2007-10-08 00:23:37 · answer #1 · answered by cooldude_raj07 2 · 0⤊ 0⤋

4 z ² + 8 z - 4
4 ( z ² + 2 z - 1 )

2007-10-08 12:06:46 · answer #2 · answered by Como 7 · 1⤊ 0⤋

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