Question

8x=(45)square -(43) square

Answer 1

Answer:

x=22

Step-by-step explanation:

by using this identity:-(a2-b2)

i.e., (a-b)(a+b)

8x=(45)2-(43)2

8x=(45-43)(45+43)

8x=2×88

8x=176

x=176÷8

x=22.