Question

restar (0,9784)² - (683)²​

Answer 1

Por producto notable :

(a+b)(a-b) = a²-b²

Sea : a = 0,9784 ; b = 683

Para tu tarea :

(0,9784)² - (683)²

( 0,9784+683)(0,9784 - 683)

(683,9784)(−682,0216)

−466488,04