Multiply (5xsquare -6x+9) by (2x-3)?
回答 (4)
2016-06-07 8:37 pm
[ 2x - 3 ] [ 5x² - 6x + 9 ]
10x³ - 12x² + 18x
___ - 15x² + 18x - 27
10x³ - 27 x² + 36x - 27
10x³ - 12x² + 18x
___ - 15x² + 18x - 27
10x³ - 27 x² + 36x - 27
2016-06-07 6:28 pm
(5x^2 - 6x + 9)( 2x -3)
=5x^2 x 2x - 3 x 5x^2 - 6x x 2x + 18x + 18x -27
=10x^3 -15x^2 -12x^2 + 36x -27
=10x^3 - 27x^2 + 36x - 27
=5x^2 x 2x - 3 x 5x^2 - 6x x 2x + 18x + 18x -27
=10x^3 -15x^2 -12x^2 + 36x -27
=10x^3 - 27x^2 + 36x - 27
2016-06-07 5:50 pm
(5x² - 6x + 9)(2x - 3)
Multiply each term of one polynomial by every term of the other polynomial, then add the results:
10x³ - 15x² - 12x² + 18x + 18x - 27
10x³ - 27x² + 36x - 27
Multiply each term of one polynomial by every term of the other polynomial, then add the results:
10x³ - 15x² - 12x² + 18x + 18x - 27
10x³ - 27x² + 36x - 27
2016-06-07 5:48 pm
multiply 5xsquare, -6x, and 9 each by 2x, then multiply them each by -3
combine like terms
combine like terms
收錄日期: 2021-05-01 20:48:59
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