Answer:
BC=2
Step-by-step explanation:
(2x-10)+(x-6)=8
2x+x-10-6=8
3x-16=8
3x=8+16
3x=24
x=24/3
x=8
BC=x-6=8-6=2

Factorise both the term by splitting the mid term and you'll get
Answer:
Step-by-step explanation:
i don’t know the rest but i know b is 144