Question

(x – 4)2 = x² - 16 find the errors in this and correct it?​

Answer 1

Answer:

Hey,

(x-4)2=2x-8 and not x^2-16

Hope it helps.

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Answer 2

Step-by-step explanation:

$\huge\red{\underline{\underline{ \bf Question}}}$

(x – 4)2 = x² - 16 find the errors in this and correct it?

$\huge\red{\underline{\underline{ \bf Answer}}}$

$\\ \\ we \: know \: that.. \\ \\ {(a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab \\ \\ \implies {(x - 4)}^{2} = {x}^{2} + 16 - 8x$

$\\ \\ we \: know \: that.. \\ \\ {(a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab \\ \\ \implies {(x - 4)}^{2} = {x}^{2} + 16 - 8x \\ \\ here \: \: we \: \: have \: given \: that. \\ \\ { {(x - 4)}^{2} = {x}^{2} - 16} \\ \\ which \: \: is \: \: wrong \: \: because \: \\ it \: \: does \: \: not \: \: follows \: \: formula \\ \\ correct \: \: one \: \: is = > \\ \\ \huge\boxed{{\leadsto(x - 4)}^{2} = {x}^{2} + 16 - 8x}$