(11x + 5) (12x + 8)
-8x6 + 14x4 + 12x2 - 24
132x2 + 148x + 40
10x2 - 8x - 13
2: (5x + 6) (5x + 9)
-8x6 + 14x4 + 12x2 - 24
-44x2 - 38x + 42
25x2 + 75x + 54
3: (9x + 3) (4x + 11)
10x2 + 22x + 21
36x2 + 111x + 33
-44x2 - 38x + 42
4: (7x + 6) (10x + 2)
70x2 + 74x + 12
132x2 + 148x + 40
10x2 - 8x - 13
2007-03-14 02:45:51 · 7 answers · asked by me1026 1 in Science & Mathematics ➔ Mathematics
1)
(11x + 5)(12x + 8) =
132x² + 60 + 88x + 40 =
132x² + 148 + 40
- - - - - - - - - - -
2)
(5x + 6)(5x + 9) =
25x² + 30x + 45x +54 =
25x² + 75x + 54
- - - - - - - - - - - - -
3)
(9x + 3)(4x + 11) =
36x² + 12x + 99x + 33 =
36x² = 111X + 33
- - - - - - - - - - - -
4)
(7X + 6)(10X + 2) =
70x² + 60x + 14x + 12
70x² + 74x + 12
- - - - - - - - - - - - s-
2007-03-14 03:08:10 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋
(11x + 5) (12x + 8)= 132x^2 + 148x + 40
(5x + 6) (5x + 9) = 25x^2 + 75x + 54
(9x + 3) (4x + 11)= 36x^2 + 111x + 33
(7x + 6) (10x + 2) = 70x^2 + 74x + 12
2007-03-14 03:30:56 · answer #2 · answered by Anonymous · 0⤊ 0⤋
1. 132 x^2+148x+40
2. 25x^2+75x+54
3. 36x^2+111x+33
4. 70x^2+74x+12
2007-03-14 03:06:32 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
1. =132x^2+88x+60x+40
=132^2+148x+40
2. =25x^2+45x+30x+54
=25x^2+75x+54
3. =36x^2+99x+12x+33
=36x^2+111x+33
4. =70x^2+14x+60x+12
=70x^2+74x+12
2007-03-14 03:03:41 · answer #4 · answered by gumy bear 3 · 0⤊ 0⤋
Do you just have to pick the right answer? If you do, #1 is the 2nd one, #2 is the 3rd one, #3 is the 2nd one, and #4 is the 1st one.
2007-03-14 02:53:02 · answer #5 · answered by Krisie 2 · 0⤊ 0⤋
They look right to me if that's your intention.
2007-03-14 02:53:26 · answer #6 · answered by ziggyzp77 2 · 0⤊ 0⤋
and so what's the question??
2007-03-14 02:49:19 · answer #7 · answered by Anonymous · 0⤊ 0⤋