exam Maths Puzzle Numerical Ability

Use completing the square to find the zeros of the function y=9x^2-12x-33.

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exam Other Question

Factor the following expression:

a^2(b - c) - 16b^2(b - c)
List all the factors of 6x2 + 14x - 12

a. 2
b. 3
c.(x + 6)
d.(3x - 1)
e.(3x - 2)
f. (x + 3)