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i need some help factoring ! 10 POINTS!
hello everyone! im trying to do the factoring segment of my summer math assignment and am haveing trouble and would like to check my answers. your help is grately appreciated!!!
p^2-2p 1
x^2-2xy y^2
9x^2 48xy 64y^2
1-14p^4 49p^8
r^2-4x^2
36x^2-100
4x^2-9y^2
12c^2-12
y^4-x^4
r^2 11r 10
k^2-16k 15
a^2 12a-45
the first one is suposed to be p^2-2p+1
and its not home work, its a summer assignment!
10 Answers
- Anonymous1 decade agoFavorite Answer
p²-2p+1 = (p-1)²
x²-2xy+y² = (x-y)²
9x²+48xy+64y² = (3x+8y)²
1-14p⁴+49p^8 = 49p^8-14p^4+1 = (7p^4-1)²
r²-4x² = (r)²-(2x)² = (r-2x)(r+2x)
36x²-100 = 4(9x²-25) = 4(3x+5)(3x-5)
4x²-9y² = (2x+3y)(2x-3y)
12c²-12 = 12(c²-1) = 12(c+1)(c-1)
y⁴-x⁴ = (y²+x²)(y²-x²)=(y²+x²)(y+x)(y-x)
r²+11r+10 = (r+1)(r+10)
k²-16k+15 = (k-15)(k-1)
a²+12a-45 = (a+15)(a-3)
Bye!
- Carolyn DLv 51 decade ago
I think you might be missing some information. For example: In the first one should there be a function (addition, multiplication, etc...) between the 2p and the 1, for the second one between the 2xy and the y^2?
- Anonymous5 years ago
3y^(2) + 6y + 3 = 0 3( y ^(2) + 2y +1) = 0 (y+1)(y+1) =0 y= -1
- mpsmom96Lv 51 decade ago
p^2-2p +1
(p-1)(p-1)
x^2-2xy+y^2
(x-y)(x-y)
the rest are all similar. Why don't you post your answers and we'll tell you if they're correct.
- How do you think about the answers? You can sign in to vote the answer.
- holdmLv 71 decade ago
Iwill assume that blank space is +
(p-1)^2
(x+y)^2
(7p^4-1)^2 or (1-7p^4)^2
(r+2x)(r-2x)
(6x-10)(6x+10)
(2x-3y)(2x+3y)
12(x+1)(c-1)
(y^2+x^2)(y+x)(y-x)
(r-1)(r-10)
(k-1)(k-15)
(a-3)(a+15)
- Anonymous1 decade ago
srry but thats cheating i wish i can answer but i dont like to cheat.
- Anonymous1 decade ago
(p-1)^2
(x-y)^2
(3x+8y)^2
(7p^4-1)^2
(r-2x)(r+2x)
4(3x+5)(3x-5)
(2x+3y)(2x-3y)
12(c+1)(c-1)
(y+x)(y-x)(y^2+x^2)
(r+1)(r+10)
(k-1)(k-15)
(a+15)(a-3)