Question

if a= -1 and b = 2 , find the value of. 3a+b-ab,

Answer is 1 ​

Answer 1

$\huge\mathcal\purple{Given:}$

• $\tt\small{\bold{a\:=\:-1}}$
• $\tt\small{\bold{b\:=\:2}}$

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$\huge\mathcal\purple{Find:}$

• $\tt\small{\bold{3a\:+\:b\:-\:ab}}$

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$\huge\mathcal\purple{Solution:}$

$\tt\small{\bold{\:\:\:\:\:\:\:\:\:\::⟹\:-3\:+\:2\:-\:(-1)\:༝\:2}}$

$\tt\small{\bold{\:\:\:\:\:\:\:\:\:\::⟹\:-3\:+\:2\:-\:(-2)}}$

$\tt\small{\bold{\:\:\:\:\:\:\:\:\:\::⟹\:-3\:+\:4}}$

$\tt\small{\bold{\:\:\:\:\:\:\:\:\:\::⟹\:1}}$

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$\sf\blue{\bold{ᴀɴsᴡᴇʀ\:➟}}$$\sf\pink{\underline{\boxed{\bold{1}}}}$

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$\sf{\bold{IᴛsPɪᴋᴀᴄʜᴜ_࿐}}$