Question

Solve using identity 68square-32square

Answer 1

Answer:3600

Step-by-step explanation:68^2-32^2=(68+32)(68-32)=100*36=3600

Answer 2

Using identity,

$a ^{2} - b {}^{2} =( a - b) \times( a + b)$

= (68+32)×(68-32) = (100)×(36) = 3600