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Maths Puzzle
Numerical Ability
use the quadratic formula to solve the following quadratic equations.
a. 3x^2+2x-8=0
b. 5x^2+7x=12
please help
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book Other Question
12x2+4x-10
What is the sum of the digits of the four-digit numbers formed using the digits
2,4,6,8(repetitions not allowed).