Mathematics, 29.02.2020 19:40 Daveandemily17
Identify the values that should be written to complete the X diagram.
On the top: –28–31
On the bottom: –28–31
On the sides: –14 and 2–7 and 4–4 and 7
Rewrite the expression using the numbers on the sides of the X diagram.
Use double grouping to factor the four terms.
x2 – 3x – 28 = (x – 14)(x + 2)(x – 7)(x + 4)(x + 7)(x – 4)
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Identify the values that should be written to complete the X diagram.
On the top: –28–31
O...
On the top: –28–31
O...
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