Question

4c( -a+b+c) - 3a( a+b+c)-2b(a-b+c) ( subtract)​

Answer 1

AnsweR :

$\sf \bold{= - 7ac + 2bc + {4c}^{2} - {3a}^{2} - 5ab + {2b}^{2} }$

SolutioN :

$\sf4c( - a + b + c) - 3a(a + b + c) - 2b(a - b + c)$

$\sf = - 4ac + 4bc + {4c}^{2} - {3a}^{2} - 3ab - 3ac - 2ab + {2b}^{2} - 2bc \\ \\ \sf = - 4ac - 3ac + 4bc - 2bc + {4c}^{2} - {3a}^{2} - 3ab - 2ab + {2b }^{2} \\ \\ \sf = - 7ac + 2bc + {4c}^{2} - {3a}^{2} - 5ab + {2b}^{2}$

Answer 2

Step-by-step explanation:

$= - 3a {}^{2} + 2b {}^{2} + 4c {}^{2} - 5ab + 2bc - 7ac \:$

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