exam Maths Puzzle Numerical Ability

2x(3x - 4y) – 3x(-3x + 4y)

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exam Other Question

Give the zeros of the function, f(x)= x squared + 6x + 8 over x squared + 4x +4
A. All real numbers except -2 and -4
B.-2 and -4
C. all real numbers excpet -2
D. -4
Graph each of the following inequalities.

3x-4y<12