yabiert
yabiert
23-05-2018
Mathematics
contestada
(2x-10)(x+3)
Simplify each expression
Respuesta :
Аноним
Аноним
23-05-2018
2x^2-4x-30 would be your answer
(
2x
−10
)
(
x+3
)
=
(
2x
+
−10
)
(
x+3
)
=
(
2x
)
(x)
+
(
2x
)
(3)
+
(
−10
)
(x)
+
(
−10
)
(3)
=
2
x2
+
6x
−
10x
−30
=
2
x2
−
4x
−
30
Answer Link
gmany
gmany
23-05-2018
Use distributive property:
[tex](a+b)(c+d)+ac+ad+bc+bd[/tex]
[tex](2x-10)(x+3)=2x\cdot x+2x\cdot3-10\cdot x-10\cdot3\\\\=2x^2+6x-10x-30=2x^2-4x-30[/tex]
Answer Link
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