Question

simplify (x² – x – 16)—(-12 + 16x – 8x²)​

Answer 1

Answer: the answer is $9x^{2} -17x-4$

Step-by-step explanation:

$-(-12+16x-8x^{2} )$​ after opening brackets= $+12-16x+8x^{2}$

$x^{2} -x-16+12-16x+8x^{2}=x^{2} +8x^{2} -x-16x-16+12$

$9x^{2} -17x-4$

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