Mathematics, 15.06.2020 07:57 mihir50
Isiah is dividing 2x3 - x2 + 2x + 5 by x + 1 using a division table. His work is shown here.
Isiah is dividing 2x3 β x2 + 2x + 5 by x + 1 using a division table.
His steps are shown.
Step 1: Isiah considers what we can multiply x by to get 2x3.
Quotient
2x2
Divisorx2x3
+ 1
Step 2: Isiah then multiples 2x2 by +1 in the divisor to fill out the first column.
Quotient
2x2
Divisorx2x3
+ 12x2
Step 3: The second term of the original polynomial is βx2, so Isiah knows that the 2x2 in the first column will be added to the term created in the second column to get βx2.
Quotient
2x2β3x
Divisorx2x3β3x2 2x2 + (β3x2) = βx2
+ 12x2
Step 4: Isiah multiplies β3x and +1 to complete the second column.
Quotient
2x2β3x
Divisorx2x3β3x2
+ 12x2β3x
Step 5: The third term of the original polynomial is +2x, so Isiah knows that the β3x in the second column will be added to the term created in the third column to get 2x.
Quotient
2x2β3x?
Divisorx2x3β3x2?xβ3x + ?x = 2x
+ 12x23xA
What is the value of A?
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Isiah is dividing 2x3 - x2 + 2x + 5 by x + 1 using a division table. His work is shown here.
Isiah...
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