Factorise:
x² – 2x - 63
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5
Answer:
(x+7)( x – 9)
Step-by-step explanation:
x² – 2x – 63
x² – 9x + 7x – 63
x ( x – 9) + 7( x – 9)
(x+7)( x – 9)
Answered by
4
Step-by-step explanation:
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