Please tell question 8,2

D e a r s t u d e n t, A s s u m i g, y o u w a n t a n s w e r f o r 8 (i i) {(4 - x)}^{2} - 2 x U \sin g i d e n t i t y; {(a - b)}^{2} = a^{2} + b^{2} - 2 a b \Rightarrow (16 + x^{2} - 8 x) - 2 x \Rightarrow 16 + x^{2} - 8 x - 2 x \Rightarrow 16 + x^{2} - 10 x \Rightarrow x^{2} - 10 x + 16 R e g a r d s

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