18z + 45 + z^2?

0 ⤊

factor each polynomial, state if the polynomial is prime

2007-08-01 18:11:39 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

= z² + 18z + 45
= (z + 15) (z + 3)

2007-08-01 22:54:33 · answer #1 · answered by Como 7 · 0⤊ 0⤋

18z + 45 + zÂ²
zÂ² + 18z + 45
(z + 3)(z + 15)

2007-08-01 18:16:00 · answer #2 · answered by The Glorious S.O.B. 7 · 0⤊ 0⤋

z^2+18z+45...when this is factored you get (z+15)(z+3)

2007-08-01 18:15:20 · answer #3 · answered by Chris 1 · 0⤊ 0⤋

Prime since 18 must be sum of common factor (9) but 9*9 is 81

2007-08-01 18:16:36 · answer #4 · answered by fjblume2000 2 · 0⤊ 0⤋

rearrange to
z^2+18z+45
(z+15)(z+3)

2007-08-01 18:15:28 · answer #5 · answered by mathavan velayutham 2 · 0⤊ 0⤋

(z+15)(z+3)
.

2007-08-01 18:13:55 · answer #6 · answered by tsr21 6 · 0⤊ 0⤋