Question

Simplify 5m( 4m-2)+8 and find its value for m= 1/2

Answer 1

Answer:

5(1/2) (4(1/2) -2)+8

5/2(2-2)+8

5/2(0) +8

0+8

8

Answer 2

Answer:

Solution:

5m (4m - 2) + 8

20m^2 - 10m + 8

Evaluate m = 1/2

20(1/2)^2 - 10(1/2) + 8

= 5 - 5 + 8

= 8

Hope this will be helpful.