Its all worked out but Im still very confused by the steps t

It\'s all worked out, but I\'m still very confused by the steps they took to get each part. Like why multiply everything by (x^2 + 9) and then in the next step, how did they end up with those answers? I\'m just very confused.

they just multiplide (x^2 + 9) for simpification

LIKE EXAMPLE

eq 2+3=5

if we multify both sides with 2

(2+3)2=5*2

10=10

equality not changed ,,,like we use this in mathematics

after solving eq they got X parameters and they cheked in original eq

$It\'s all worked out, but I\'m still very confused by the steps they took to get each part. Like why multiply everything by (x^2 + 9) and then in the next step$

Its all worked out but Im still very confused by the steps t

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