vertical multiplication [tex]x^{2} -x +1\\x.x^{2} -2x-2[/tex]
is C.[tex]x^{2} -x^4-x^3-4x^{2} -2[/tex]
Vertical multiplication
Vertical Multiplication. Set up the vertical multiplication by stacking the factors vertically and lining up the digits by place value. Although multiplication is commutative (order is not important) we want to place the number with more digits on top.
What does vertically mean in math?
The angles opposite each other when two lines cross. They are always equal. In this example a° and b° are vertical angles. "Vertical" refers to the vertex (where they cross), NOT up/down. They are also called vertically opposite angles.
To learn more about vertical multiplication, refer
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