What is (2k to the 2nd)-5k-12?

2007-11-18 21:58:55 · 2 answers · asked by toddinav 1 in Science & Mathematics ➔ Mathematics

2k² - 5k - 12 = (2k + 3 ) (k - 4)

Check
2k² - 8k + 3k - 12
2k² - 5k - 12 (as required)

2007-11-18 23:47:37 · answer #1 · answered by Como 7 · 2⤊ 1⤋

2k^2 -- 5k -- 12
= 2k^2 -- 8k + 3k -- 12
= 2k(k -- 4) + 3(k -- 4)
= (k -- 4)(2k + 3)

2007-11-18 22:04:14 · answer #2 · answered by sv 7 · 0⤊ 1⤋

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