Question

1. factorise x(x+y+z) ​

Answer 1

Answer:

x(x+z)−y(y+z)

=x

2

+xz−y

2

−yz

=x

2

−y

2

+xz−yz

=(x−y)(x+y)+z(x−y)

=(x−y)(x+y+z)

Step-by-step explanation:

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Answer 2

x(x+z)-y(y+z)

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