exam Maths Puzzle Numerical Ability

2x^2 - 9x - 5 = 0

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exam Other Question

Can someone help me on this problem?

I need to solve this literal equation for the indicated variable as follows:

A = 1/2h (B + b) (for b) Area of a trapezoid

Thanks,
Sher Use the quadratic formula to solve the following quadratic equation.
3x^2-2x+1