Math, asked by devrathi14, 5 months ago

(a+b) (2a -3b+C)-(2a-3b)c​

Answers

Answered by Anonymous
106

♣ Qᴜᴇꜱᴛɪᴏɴ :

\large\boxed{\sf{\left(a+b\right)\:\left(2a\:-3b+c\right)-\left(2a-3b\right)c}}

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♣ ᴀɴꜱᴡᴇʀ :

\boxed{\sf{\left(a+b\right)\left(2a-3b+c\right)-\left(2a-3b\right)c=2a^2-ab-ac-3b^2+4bc}}

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♣ ᴄᴀʟᴄᴜʟᴀᴛɪᴏɴꜱ :

\left(a+b\right)\left(2a-3b+c\right)-\left(2a-3b\right)c

=\left(a+b\right)\left(2a-3b+c\right)-c\left(2a-3b\right)

=-ab+ac+2a^2-3b^2+bc-\left(2a-3b\right)c

=-ab+ac+2a^2-3b^2+bc-2ac+3bc

\large\boxed{\sf{=2a^2-ab-ac-3b^2+4bc}}

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