Question

Find the value of 3a²-4ab-26² when A= -1 and b-4

Answer 1

Answer:

-657

Step-by-step explanation:

$a= -1\\b= 4$

Substituting the value of a and b

$3a^{2}-4ab-26^{2} \\3(-1)^{2} -4(-1)(4)-676\\3-4(-4)-676\\3+16-676\\19-676\\-657$

The value of    3a²-4ab-26²  is -657