exam Maths Puzzle Numerical Ability

5 Square root 12(3)

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exam Other Question

Write the quadratic equation with a lead coefficient of 1 whose roots are 2-3i and 2+3i. _2x^2+x-28_____________
x^2-3x-28=

a. _2x-7_
x-7

b. _2x+1_
x-3

c. _x-2_
x+14

d. _-2___
3

e. The expression cannot be simplified.