Question

Pls ans 5th & 7th question​

Answer 1

hey....

50a3-2a=0

2a(25a2-1)=0

2a=0.,,,, 25a2=1

a=0,,,, a2=1/25

a=0, a=1/5,-1/5

☺☺☺☺

3a5-108a3=0

3a3(a2-36)=0

3a3=0,,, a2=36

a=0,,, a=6,-6

hope it helps you buddy

mark me as a brainlist.. ☺☺

Answer 2

5.2a(25a to the power 2).

hcf= 2a so answer is above.

7.hcf= 3a to the power 3.

so answer 3a to Power 3(a to power 2 -36) a.