factorise
(x+1)(x+3)(x+5)(x+7)+15
Answers
Answered by
18
Answer:
Step-by-step explanation
(x+1)(x+3)(x+5)(x+7)+15
(x^2+8x+7)(x^2+8x+15)+15
(x^2+8x)(7+15)+15
(x^2+8x)(22)+15
(22x^2+176x)+15
22x^2+176x+15
sania2139:
but the question is to factorise not to solve
Thanks for marking it brainliest
Answered by
3
(x+1)(x+3)(x+5)(x+7)+15
=(x^2+3x+3)(x^2+12x+35)+15
=(x^4+15x^3+74x^2+141x+35)+15
=x^4+15x^3+74x^2+141x+50
but the question is to factorise
Similar questions