3 years ago

QUESTION THREE 30 MARKS3a) multiply x + y by x - y

Mathematics

2 answers:

Rainbow [258]3 years ago

6 0

Answer:

x²+xy+yx-y²

Step-by-step explanation:

(x+y)(x-y)

x times x =x²

x times y= xy

y times x=yx

y times y=y²

Fudgin [204]3 years ago

6 0

Step-by-step explanation:

It's x*x+x*y-x*y-y*y => x^2 +xy - xy- y^2 = x^2-y^2

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QUESTION THREE 30 MARKS3a) multiply x + y by x - y​

QUESTION THREE 30 MARKS3a) multiply x + y by x - y