exam Maths Puzzle Numerical Ability

Use FOIL to multiply
(6x – 1)(3x – 4)

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exam Other Question

Solve the system of linear equations by the substitution method.
5x + 4 y = 14
15x – 2y = 7
May I have some help with the following equation?

Find all solutions of the equation.

1+ 2x/(x+3)(x+4)= 2/x+3 + 4/x+4