Question

(x+y)(-3x-y)-(x+y)(x-y)+(x-2y)(-2x+y)
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Answer 1

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

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