Question

simplify the answer​

Answer 1

Answer:

(5x-y)(2x-y-3z)

=10x²-5xy-15z-2xy+y²+3yz

=10x²-7xy-15z+y²+3yz

Step-by-step explanation:

Answer 2

Q- (2x-y-3x)(2x-y-3x)

sloution- using the identity (a^2-b^2)=(a+b)(a-b)

(2x-y)^2 -(3x)^2

2x^2+y^2-4xy - 9x^2

-7x^2 +y^2 -4xy

here is ur ans mate hple its help