Simplify these expressions and find their values, if x = 3, a = – 1, b = – 2.
b) 2b – 8x + 4x²+ 4a
Answers
Answered by
10
Answer:
4 is answer
Step-by-step explanation:
X=3, a = -1, b = -2 (given)
expression
2b-8x+4x^2+4a
2(-2) - 8(3) + 4(3)^2+4(-1)
-4 - 24 + 36 - 4
-32 + 36
4 is Answer.
I hope this will help you
please mark brainy
Answered by
0
Given - Expression
Find - Value of expression
Solution - The expression with respective values of variables is as follows -
Value =
Taking square of numbers as per the mentioned expression.
Value =
Performing multiplication of values and their respective brackets.
Value =
Performing addition and subtraction to find the value.
Value =
Value =
Thus, the value of expression is 4.
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