(x+y)(-3x-y)-(x+y)(x-y)+(x-2y)(-2x+y)

1.	(x+y)(-3x-y)-(x+y)(x-y)+(x-2y)(-2x+y)
Answer» ong>Answer: I will not going to give the answer of your questions but ONE THING I am going to tell you how we can MULTIPLY 1D × 2D or 2D × 1D. take a question 26 × 9 6 × 9 = 54 2 × 9 = 18 now add it by this trick.... 54 18 ANS = 558 WE ADDED 4 + 1 ANSWER = 26 × 9 = 558 Step-by-step explanation: HOPE IT'S HELPFUL PLEASE MARK AS BRAINLIEST........

Answer»

ong>Answer:

I will not going to give the answer of your questions but ONE THING I am going to tell you how we can MULTIPLY 1D × 2D or 2D × 1D.

take a question 26 × 9

6 × 9 = 54

2 × 9 = 18

now add it by this trick....

ANS = 558

WE ADDED 4 + 1

ANSWER = 26 × 9 = 558

Step-by-step explanation:

HOPE IT'S HELPFUL

PLEASE MARK AS BRAINLIEST........

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