Question

Simplify the expression and find its value when a=5 ,b= -3, c= 2 and expression is [ b(c+a)-c(a-b)+a(b+c)]​

Answer 1

Answer:

b

$bc + ba - ac + bc + ba + ac = 2bc + 2ba = 2 \times - 3 \times 2 + 2 \times - 3 \times 5 = - 12 + ( - 30) = - 42$