factorize :
(1)x²+x-72.
(2)p²-7p-120.
(3) 16-17z+z²
(4) a²+5a-104.
(5)3x²+11x+10
Please do with full solutions.
Answers
Answered by
2
Answer:
1.) x²+x-72
= x²+9x-8x-72
= x(x+9)-8(x+9)
= (x+9) (x-8)
2.) p²-7p-120
= p²-15p+8p-120
= p(p-15)+8(p-15)
= (p-15) (p+8)
3.) 16-17z+z²
= 16-16z-z+z²
= 16(1-z)-z(1-z)
= (1-z) (16-z)
4.) a²+5a-104
I can't answer it.
5.) 3x²+11x+10
= 3x²+5x+6x+10
= x(3x+5)+2(3x+5)
= (3x+5) (x+2)
Similar questions