Question

if a= 1 , b = - 2, c= - 1 show that 7 a + b + c = 2 a b c​

Answer 1

Answer:

we have given a = 1 , b = -2 , c = -1

Step-by-step explanation:

put value of a, b, c, in equation

7a + b + c = 2ab

7(1) + (-2) + (-1) = 2*1*-2* -1

7 - 2 - 1 = 0 * -1

5 - 1 = -1

4 + 1 = 0

5