Maths factoring problem?

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Maths factoring problem?

3w² - 40w - 187

Can anyone help?
I'm completely stuck. o.o
(so it's probably insanely easy, lol)

2007-10-11 09:16:55 · 4 answers · asked by Anonymous in Education & Reference ➔ Homework Help

4 answers

(3w +11)(w - 17)

2007-10-11 09:21:55 · answer #1 · answered by jsardi56 7 · 0⤊ 0⤋

3wÂ² - 40w - 187; you do 3 x 187 = 561
now you need factors of 561 that multiply to -40 and replace -40w with them. (11 and 51)

3wÂ² - 51w + 11w - 187
3w(w - 17) + 11(w - 17)
(3w + 11)(w - 17)

2007-10-11 16:22:05 · answer #2 · answered by sfroggy5 6 · 0⤊ 1⤋

Once you figure out that 187 = 11 x 17, the rest is pretty straightforward: (3w + 11)(w -17).

2007-10-11 16:24:03 · answer #3 · answered by John V 6 · 0⤊ 1⤋

(3w + 11)(w - 17)

2007-10-11 16:22:09 · answer #4 · answered by Twiggy 7 · 0⤊ 1⤋