Factorise and find the solutions of the equation 6x^2 + 4x -10 = 0
6x2 + 4x - 10 = 0
6x2 + 10x - 6x - 10 = 0
2x(3x + 5) - 2(3x + 5) = 0
(2x - 2)(3x + 5) = 0
Case 1:
2x - 2 = 0
2x = 2
x = 1
Case 2:
3x + 5 = 0
3x = -5
x = -5/3
CH
Related Maths GCSE answers
All answers ▸How do you calculate ratios? Example question: 'White paint costs £2.80 per litre, Blue paint costs £3.50 per litre, White paint and blue paint are mixed in the ratio 3:2. Work out the cost of 18 litres of the mixture [4 marks]' AQA Mathematics (8300)
There are a total of 50 apples and pears (apples + pears) in a large basket. If the total number of apples was doubled and the total number of pears was tripled, these two numbers would add up to 130. How many apples and pears are in the basket?
y = 4x^2 + 20x + 11 is a curve. Find the minimum point of the curve.
What about simultaneous equations?