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Maths Puzzle
Numerical Ability
Compute the value of the discriminant and give the number of real solutions to the quadratic equation:
3x^2 - 7x + 9 = 0
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i need some one to give the steps one by one for this problem.
f(x)=2x^2-x^4+5x^2-x if f(x)=3
i'm using the synthetic substituion of polynomials
solve each equation for x using factoring. please show work.
x2-4x+1=13
x2+2x+48=15x
5x2+7=52
3x2=4-11x
2x3+4x=6x2
2x2-4=7x