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단계 표시
4x3−7x2−11x+54x+5
Factor out coefficient of the denominator
4x3−7x2−11x+54(x+54 )
Coefficients of the numerator polynom
4 −7 −11 5
Find the zeros of the denominator: x=−54
Write the problem in synthetic division format
Carry down the leading coefficient, unchanged, to below the division symbol
Multiply the carry-down value by the zero of the denominator, and carry the result up into the next column:
| −54 ¦ 4 −7 −11 5 |
| ¦ −5 |
| 4 −12 |
Multiply the carry-down value by the zero of the denominator, and carry the result up into the next column:
| −54 ¦ 4 −7 −11 5 |
| ¦ −5 15 |
| 4 −12 |
| −54 ¦ 4 −7 −11 5 |
| ¦ −5 15 |
| 4 −12 4 |
Multiply the carry-down value by the zero of the denominator, and carry the result up into the next column:
| −54 ¦ 4 −7 −11 5 |
| ¦ −5 15 −5 |
| 4 −12 4 |
| −54 ¦ 4 −7 −11 5 |
| ¦ −5 15 −5 |
| 4 −12 4 0 |
The last carry-down value is the remainder
0
Write the result in polynom format
4x2−12x+4
Divide the result by the denominator factor
4x2−12x+44
Simplify 4x2−12x+44 : x2−3x+1
x2−3x+1
묘사
2차 방정식을 단계별로 사용하여 2차 방정식 풀기
quadratic-equation-solve-using-quadratic-formula-calculator
quadratic formula 3x^{2}=2x+5
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