Question

9x^4-x^2-12x-36=
Solve it!!!​

Answer 1

9x ^4 −x ^2 −12x−36

Above terms can be written as ,

9x ^4 −(x ^2+12x+36)

We know that (a+b) ^2

=a^ 2 +2ab+b^ 2

(3x^2) ^2 −(x ^2 +∗2×6×x)+6^2)

So (3x ^2 )^ 2−(x+6)^ 2

we know that a^2-b^2=(a+b) (a-b)

(3x^2+x+6)(3x^2-x-6)

hope it helps

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