exam Maths Puzzle Numerical Ability

Rational and Radical Expressions

3) Divide and simplify:

5x-7 � 25x�-49
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5x� +27x+28
thank you so much

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exam Other Question

simplify (3^n+1)(3^2n)^4 How do I draw a number line which reprensents the following numbers:
(-5)≤x≤5, where x is
1. an integer
2. a real number and

(-5)≤x<5, where x is a real n