For x = 2, find the value of the expression 2 - 8x + 4x + 4
Answers
Answered by
3
Answer:
2 - 8x + 4x + 4 put the value of x this expression
we get
2 - 8(2) + 4(2) + 4
= 2 - 16 + 8 + 4
= -6 + 4
= -2
hope this will help you
Answered by
0
Answer:
There are two stages in this question.
Firstly solve the given equation to find a value for
x
which is the solution.
Then substitute that value into the expression to find its value.
5
(
x
−
3
)
+
13
=
4
x
−
3
(
2
−
x
)
5
x
−
15
+
13
=
4
x
−
6
+
3
x
←
simplify each side
5
x
−
2
=
7
x
−
6
−
2
+
6
=
7
x
−
5
x
4
=
2
x
x
=
2
x
2
+
2
x
becomes:
2
2
+
2
(
2
)
=
4
+
4
=
8
Similar questions