Question

please help me do this.please answer at least two questions​

Answer 1

Step-by-step explanation:

13. 2x-1=0

x=1/2

putting the value of x

8x(1/2)4 + 4x(1/2)3 - 16x(1/2)2+10x(1/2)+m

8x1/16+4x1/8-16x1/4+10x1/2+m

1/2+1/2-4+5+m

(1+1-8+10+2m)/2

(2+2+2m)/2=0(as it is a factor)

4+2m=2

2m=2-4

2m=-2

m=-2/2

m=-1