exam Maths Puzzle Numerical Ability

solve by using the Quadratic formula xsqrt+4x-1=0 i try for hours not right

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Hi,

I need help how would solve the following

6 = -2x/4

Thank you for your help.

Craid
Could someone please help me with this word problem???

in 1995, the life expectancy of males in a certain country was 62.8years. in 2001, it was 66.3years. Let represent the lif