2007-05-21 13:51:54 · 7 answers · asked by pkbrauer 1 in Science & Mathematics ➔ Mathematics
(7y+8)(7y-8)
2007-05-21 13:54:18 · answer #1 · answered by Austin 2 · 0⤊ 1⤋
Since 49 and 64 are perfect squares, this should become relatively straightforward to factor because the inner and outer cross-terms will cancel one another out.
(7y+8)(7y-8)
2007-05-21 20:57:26 · answer #2 · answered by RG 3 · 0⤊ 1⤋
we realize
49y^2 - 64
= (7y)^2 - 8^2
= (7y+8)(7y-8)
2007-05-21 21:17:19 · answer #3 · answered by Mein Hoon Na 7 · 0⤊ 0⤋
difference of squares
(7y+8)(7y-8)
2007-05-21 20:56:01 · answer #4 · answered by Mark z 1 · 0⤊ 1⤋
(7y - 8).(7y + 8)
2007-05-22 04:35:05 · answer #5 · answered by Como 7 · 0⤊ 0⤋
(7y - 8)(7y + 8)
2007-05-21 20:54:39 · answer #6 · answered by Ana 4 · 0⤊ 1⤋
(7y - 8)(7y + 8)
2007-05-21 20:54:24 · answer #7 · answered by richardwptljc 6 · 0⤊ 1⤋