factorise:-
x2-10x +9
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ＡＮＳＷＥＲ -
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➡ x² - 10x +9
=x²+ 9x + x + 9
=x ( x+ 9) + 1(x + 9 )
➡( x + 9) ( x + 1 )
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Answered by
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Answer:
On comparing with standard quadratic equation that is ax2 + bx + c.
Let us simplify the given expression, we get
x2 – 10x + 9 = x² – 9x – x + 9
= x (x – 9) – 1(x – 9)
= (x – 9) (x – 1)
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