Question

Answer please with full explanation
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Answer 1

Answer:

The Answer is in the above Attachment.....

Hope it Helps....

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Answer 2

Answer:

z²- 13z- 30

z²-(3z+10z)-30 ------- we had split the middle term

z²-3z + 10z-30

z(z-3) + 10(z-3) ------ remember the term in the

bracket should be same.

factors:-

(z-3) (z+10)

factors could be different.