주어진 숫자를 채우십시오:
ax² + bx + c = (? + ?)(? + ?)
AC method for factoring
This method helps to factorize trinomials to obtain a product of two binomials. The approach is to find a suitable split of the middle part of the trinomial. If your trinomial is Ax² + Bx + C, you need to solve the following equations:
To get the pq you have to go like this:
1) ?1 • ?2 = A • C
2) ?1 + ?2 = B
A, B and C are known quantities. ?1 and ?2 are unknown.
After finding the unknown quantities it is necessary to reorganize the trinomial by splitting the middle part. Then you have to group and factorize the resulting binomials.
The last step is using the distributive law to transform the addition of the factorized binomials into a product of binomials.
Don’t worry. Start the example calculation and you will understand it. The calculator will show everything in detail.
사용 방법
Enter values for a, b and c in all text fields. The buttons on the left side show the possible symbols you can enter.
To calculate the result with your input press the "="-button.
계산기는 무엇을 합니까?
결과가 표시되기까지 몇 초 정도 걸릴 수 있습니다.
- 값을 입력하십시오.
- Solves the equations of A • C and B.
- Splits the middle part of the trinomial.
- Reorganizes the trinomial.
- Shows the usage of the distributive law to complete the factoring.
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비디오 소개
A complicated topic needs a passionate teacher. This time Brian McLogan explains how to use the AC method for factoring.
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