Math, asked by 208014, 1 year ago

8 4-2x-2x square
Plz answer plz

Answers

Answered by ShuchiRecites
3
\Longrightarrow{\boxed{\bold{Answer:( 12 - 2x )( x + 7 ) }}}

\textbf{\underline{Step-by-step explanation :- }}

⇒84 - 2x - 2x²

Rearranging we get,

⇒- 2x² - 2x + 84

To factorise, product of term 1 and 2 must be equal to splited middle term.

⇒- 2x² - 2x + 84

⇒- 2x² - 14x + 12x + 84

Here, - 2x² × 84 = - 168x²
And - 14x × 12x = - 168x²

⇒- 2x( x + 7 ) + 12( x + 7 )

✍️ ✍️ ✍️ ✍️ ✍️ ✍️ ✍️ ✍ ️✍️

Taking ( x + 7 ) common,

⇒( - 2x + 12 )( x + 7 ) or

\textbf{\underline{\large{( 12 - 2x )( x + 7 )}}}

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