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sleet_krkn [62]
3 years ago
10

Find the product. (3x + y) (3x - 3y)

Mathematics
2 answers:
Katarina [22]3 years ago
7 0

Answer:

9x^{2} -6xy-3y^{2}

Step-by-step explanation:

(3x+y)(3x+-3y)

(3x)(3x)+(3x)(-3y)+(y)(3x)+(y)(-3y)

9x^{2} -9xy+3xy-3y^{2}

9x^{2} -6xy-3y^{2}

daser333 [38]3 years ago
5 0

Answer:

9xsq - 6xy -3ysq

Step-by-step explanation:

3x x 3x = 9xsq

3x x -3y= -9xy

y x 3x = 3xy

y x -3y= -3ysq

9xsq -9xy +3xy -3ysq

9xsq -6xy - 3ysq

sq = squared

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