FIND THE VALUE OF THE EXPRESSION IF A = 2 AND B = -1
a. 2A + 2B b. A2 + AB + 2
Answers
Answered by
11
Answer:
a. 2×2+2×(-1)
4-2
2
b. (2)²+2×(-1)+2
4-2+2( +2and -2 will cancel)
4
Step-by-step explanation:
hope it help ☺☺
Answered by
0
Answer:
2
Step-by-step explanation: As A=2 and B= -1
the equation goes to be
2 X (A=2 )
+
2 X (B= -1 ),
by substitution we get ,
2 X 2 + 2X -1
= 4 +(-2)
=2
THE ANSWER IS 2
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