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If , use synthetic division to find .
Full solution
Q. If , use synthetic division to find .
- Set up synthetic division: Set up synthetic division with outside the division box and the coefficients of inside: , , .
- Bring down leading coefficient: Bring down the leading coefficient, , to the bottom row.
- Multiply and write result: Multiply by and write the result, , under the second coefficient, .
- Add coefficients: Add the second coefficient, , and the number just written, , to get . Write this under the line.
- Multiply and write result: Multiply by the number just written, , to get . Write this under the third coefficient, .
- Add coefficients: Add the third coefficient, , and the number just written, , to get . Write this under the line.
- Find value of : The number at the bottom right, , is the value of .
