I tried to solve but I am not getting it would be grateful if anyone helped me
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Answer:
12(x²+7)² - 8(x²+7)(2x-1)-15(2x-1)²
Taking (x²+7) = a and (2x-1) = b
⇒ 12a² - 8ab -15b²
Now splitting the middle term:
12a² - 18ab + 10ab - 15b²
6a(2a-3b) + 5b(2a-3b)
(2a-3b)(6a+5b)
Subsituting values of a and b:
[2(x²+7) -3(2x-1)][6(x²+7) +5(2x-1)]
(2x² + 14 - 6x + 3)(6x² + 42 + 10x - 5)
(2x²- 6x + 17)(6x²+ 10x+ 37)
Here is your answer buddy...
Step-by-step explanation:
Hope it helps you :)