1.a^2-9
2.4a^2-4a+1
3.y^2+16y+64
4.81r^2-36rs+4s^2
5.x^2+3x+2
6.x^2+8x+12
7.72-22x+x^2
2007-07-05 07:51:09 · 4 answers · asked by brandon_burdette 1 in Science & Mathematics ➔ Mathematics
1.a^2-9
(a+3)(a-3)
2.4a^2-4a+1
(2a-1)^2
3.y^2+16y+64
(y+8)^2
4.81r^2-36rs+4s^2
(9r-2s)^2
5.x^2+3x+2
(x+1)(x+2)
6.x^2+8x+12
(x+2)(x+6)
7.72-22x+x^2
(x-18)(x-4)
2007-07-05 07:53:14 · answer #1 · answered by sweet n simple 5 · 0⤊ 2⤋
3. (y + 8)^2
5. (x + 1)(x + 2)
7. (4 - x)(18 - x)
2007-07-05 07:56:51 · answer #2 · answered by MathProf 4 · 0⤊ 0⤋
Difference of two squares
a² - 9 = 0
(a - 3)a + 3)
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Problem 2
4a² - 4a + 1= 0
4a² - 2a - 2a + 1= 0
2a(2a - 1) - 1(2a - 1) = 0
(2a - 1)(2a - 1) = 0
- - - - - - - - -
Problem 3
y² + 16y + 64
y² + 8y + 8y = 64
y(y + 8) + 8(y + 8) = 0
(y + 8)(y + 8)
- - - - - - - - - - - -s-
2007-07-05 08:13:20 · answer #3 · answered by SAMUEL D 7 · 1⤊ 0⤋
do your own homework
2007-07-05 07:53:35 · answer #4 · answered by Anonymous · 0⤊ 0⤋