exam Maths Puzzle Numerical Ability

multiply and simplify (2xs+3)(5x2-6x-3) second part is 5x squared

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exam Other Question

Let f(x) = 3x2 − 1 and g(x) = 2x + 5. Find f(g(−4)) and g(f(−4)) The line is parallel to -3x + 2y = 9 and contains the point (-2, 1)
find the equation of each line write answer in slop intercept form.


can any one please help me out with this. thanks a bunch