Answer:
(0,-10)
Step-by-step explanation:
not to sure if this is what your asking for, sorry
1. (2x^2+x-1)
expanding (2x^2-1)^2. multiplying (x-2) (1-2x)
= 4x^2-4x+1. = x-2x^2-2+4x
= -2x^2+5x-2
(4x^2-4x+1-2x^2+5x-2)
=2x^2+x-1
10.8 Cm
.
ur welcome ♥️♥️♥️
c
