Question

simplify the following using
p^2-q^3= ( p+q) (p-q).
(a) 65*55

Answer 1

$65 \times 55 = (60 - 5)(60 + 5)$
=>
${(60)}^{2} - {(5)}^{2} = 3600 - 25 = 3575$
it is formulated by using
${x}^{2} - {y}^{2} = (x - y)(x + y)$
Hope it helps you...

Answer 2

Step-by-step explanation:

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