exam Maths Puzzle Numerical Ability

I would appreciate if someone could help me with this problem.
I am suppose to use FOIL to multiply which is (6x - 1)(3x - 4).
Please help!!

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exam Other Question

2x+3y=6 (for x) linear equation

Hints:
Isolate x on one side of the equals sign.
Your answer will be a formula, not a number.
Solve: logbase2(1-x)+logbase2(4x+1)=0