asked 159k views
3 votes
choose the correct simplification of (5x − 6)(3x2 − 4x − 3). 15x3 − 38x2 9x − 18 15x3 38x2 − 9x 18 15x3 − 38x2 9x 18 15x3 38x2 − 9x − 18

1 Answer

6 votes

Answer:


15x^3-38x^2+9x+18

Explanation:


(5x-6)(3x^2-4x-3)\\(5x)(3x^2)+(5x)(-4x)+(5x)(-3)+(-6)(3x^2)+(-6)(-4x)+(-6)(-3)\\15x^3-20x^2-15x-18x^2+24x+18\\15x^3-38x^2+9x+18

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