exam Maths Puzzle Numerical Ability

Find the x- intercepts
x^2+3x-4

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exam Other Question

The process of writing a quadratic equasion in the form (x + a) to the second power = b is called...

Now round 97,840.272727272727272727272727... to the nearest ten-thousandth I am having problems with this one

x^2=-5x-5