Showing posts with label 因数分解. Show all posts
Showing posts with label 因数分解. Show all posts

Monday, February 6, 2017

Factorization (因数分解): \(2x^2-3xy-2y^2+x+3y-1\)

Q:

\(2x^2-3xy-2y^2+x+3y-1\)


A:

\((2x+y-1)(x-2y+1)\)

Factorization (因数分解): \(a^2+2bc-ab-4c^2\)

Q:

\(a^2+2bc-ab-4c^2\)


A:

\((-a+b-2c)(-a+2c)\)

Factorization (因数分解): \(6x^2-7x-5\)

Q:

\(6x^2-7x-5\)


A:

\((3x-5)(2x+1)\)

Factorization (因数分解): \(16x^2-9y^2\)

Q:

\(16x^2-9y^2\)


A:

\((4x+3y)(4x-3y)\)