Factorise: 2xy - x +z - 2zy
Answers
Answered by
22
Step-by-step explanation:
Split 2xy - x + z - 2yz
into two 2-term polynomials
- x + 2xy and + z - 2yz
This partition looks good☺
Pull out from each binomial separately
- x + 2xy = + x • (-1 + 2y)
+ z - 2yz = - z • (-1 + 2y)
Add up to arrive at the desired factorisation.
(x - z) • (-1 + 2y)
Answered by
19
Answer:
2xy-x+z-2zy
=x(2y-1)+2(1-2y)
=x(2y-1)-z(2y-1)
=(x-z) (2y-1)
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