Question

find z if 8z = 53²- 45²​

Answer 1

Step-by-step explanation:

hope the answer helpful for you

Answer 2

Answer:

=> 8z=(53^2)-(45^2)

=> 8z=(53+45)(53-45). {a^2-b^2=(a+b)(a-b)}

=> 8z=98×8

=> z=98×8×1/8

=> z=98. ans