Question

heya!


1) if 7^x+2=1 then, x=


2) The degree of 4 is


3) 9a²-6a=___×____


4) (6a²+30)-a+5=


5) 9x²,7x³,5x are___ terms.




answer these

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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

ANSWER

Given that, (x−1)(x

2

−5x+7)<(x−1)

∴(x−1)(x

2

−5x+6)<0

⇒(x−1)(x−2)(x−3)<0

⇒x∈(−∞,1)∪(2,3)

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