exam Maths Puzzle Numerical Ability

Simplify

5(square root 6x) + 4(square root 6x)

Having trouble..thanks

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exam Other Question

draw the graph of each of the following linear eqations?

[1] y=3x
[2] 2x+y=3

draw the graph of linear equation using celsius for x - axis and fahrenheit for y - axis.
f=[9 Simplify:
a) (2b^x)^2/(4b^3x-1)^-1
b) (x^-2 + y^-1)^-2
c) x^-2 - y^-2/ x^-1 - y^-1