Answer:
-150
Step-by-step explanation:
x^2 - 7x^2 - 18x +42
3^2 - 7(3)^2 - 18(3) + 42
9 - 63 - 54 + 42
-54 -54 + 42
-108 + 42
-150
Answer:
yes it is
Step-by-step explanation:
Answer:
x = -2
Step-by-step explanation:
Answer:
NOR Gate
Step-by-step explanation:
NOR gate is a two input gate.
It is defined as the complement of (X or Y), where X and Y are the inputs of the gate.
X Y X+Y Complement(X+Y) NOR
1 1 1 0 0
1 0 1 0 0
0 1 1 0 0
0 0 0 1 1
Ut is an operator which gives a value of 1 only when the bvoth the inputs are 0.