Math, asked by rk5929106, 10 months ago

4. (3x - 2)² – (3x²
+2)(9x – 7)

Answers

Answered by imsapna005

1

Answer:

this is the answer of this question.

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05manisha2000: whether it's to factorise or what

05manisha2000: ??

rk5929106: itright

Answered by 05manisha2000

0

(9x²+4-12x)-(27x³-27x²+18x-14)

=9x²+4-12x-27x³+27x²-18x+14

=-27x³+36x²-30x+18

05manisha2000: and its 21x² sorry for my mistake

05manisha2000: so 30x²

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