Solve x^2 + 10x - 3 = 0
completing the square (x+5)2 -25 -3 =0 (x+5)2 -28 = 0 (x+5)2 = 28 x= ±2√7 -5
IH
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All answers ▸Thomas wants to see how far he can throw a javelin. He records four of his throws as 45 metres, 40 metres, 55 metres, and x metres. Given that the mean of Thomas' throws is 50, determine the value of x.
Solve the next innequation: 12x-4>4x+12
Work out the value of 27 ^-2/3
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