Factorise a^2 -1 -2x -x^2
Answers
Answered by
38
Answer:
a² - 1 - 2x - x²
= a² -( 1 + 2x + x²)
= a² - ( x + 1)²
= (a + x + 1)(a - x - 1)
Answered by
8
Answer:
a² - (1 + 2x + x²)
a² - (1 + x)²
using identity a²-b² = (a+b) (a-b)
(a-1-x)(a+1+x)
Similar questions