Showing posts with label
因数分解
.
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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:
\((4x+3y)(4x-3y)\)
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