Question

please solve it. step by step​

Answer 1

Step-by-step explanation:

for the first part when a=8

put the value of a in the equation a^2+a^2b =320

put a=8

8*8+8*8*b=320

64+64b=320

64b=320-64

64b=256

b=256/64

b=4 this is and