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Arbetsblad: Algebraiska uttryck
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Algebraiska uttryck
Nivå 3 · Multiplicera två parenteser
Namn
Klass
Multiplicera in och förenkla.
1.
(
x
+
1
)
(
x
−
3
)
=
‾
(x + 1)(x - 3) = \underline{\hspace{4.5em}}
(
x
+
1
)
(
x
−
3
)
=
2.
(
x
−
1
)
(
x
−
8
)
=
‾
(x - 1)(x - 8) = \underline{\hspace{4.5em}}
(
x
−
1
)
(
x
−
8
)
=
3.
(
x
−
3
)
(
x
−
4
)
=
‾
(x - 3)(x - 4) = \underline{\hspace{4.5em}}
(
x
−
3
)
(
x
−
4
)
=
4.
(
x
+
2
)
2
=
‾
(x + 2)^2 = \underline{\hspace{4.5em}}
(
x
+
2
)
2
=
5.
(
x
+
6
)
2
=
‾
(x + 6)^2 = \underline{\hspace{4.5em}}
(
x
+
6
)
2
=
6.
(
x
−
3
)
2
=
‾
(x - 3)^2 = \underline{\hspace{4.5em}}
(
x
−
3
)
2
=
7.
(
x
−
5
)
2
=
‾
(x - 5)^2 = \underline{\hspace{4.5em}}
(
x
−
5
)
2
=
8.
(
x
+
8
)
(
x
−
8
)
=
‾
(x + 8)(x - 8) = \underline{\hspace{4.5em}}
(
x
+
8
)
(
x
−
8
)
=
9.
(
4
x
+
5
)
(
x
+
5
)
=
‾
(4x + 5)(x + 5) = \underline{\hspace{4.5em}}
(
4
x
+
5
)
(
x
+
5
)
=
10.
(
2
x
−
1
)
(
2
x
−
4
)
=
‾
(2x - 1)(2x - 4) = \underline{\hspace{4.5em}}
(
2
x
−
1
)
(
2
x
−
4
)
=
Facit
Algebraiska uttryck · Nivå 3 · Multiplicera två parenteser
1.
x
2
−
2
x
−
3
x^{2} - 2x - 3
x
2
−
2
x
−
3
2.
x
2
−
9
x
+
8
x^{2} - 9x + 8
x
2
−
9
x
+
8
3.
x
2
−
7
x
+
12
x^{2} - 7x + 12
x
2
−
7
x
+
12
4.
x
2
+
4
x
+
4
x^{2} + 4x + 4
x
2
+
4
x
+
4
5.
x
2
+
12
x
+
36
x^{2} + 12x + 36
x
2
+
12
x
+
36
6.
x
2
−
6
x
+
9
x^{2} - 6x + 9
x
2
−
6
x
+
9
7.
x
2
−
10
x
+
25
x^{2} - 10x + 25
x
2
−
10
x
+
25
8.
x
2
−
64
x^{2} - 64
x
2
−
64
9.
4
x
2
+
25
x
+
25
4x^{2} + 25x + 25
4
x
2
+
25
x
+
25
10.
4
x
2
−
10
x
+
4
4x^{2} - 10x + 4
4
x
2
−
10
x
+
4
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