Factorise the quadratic equation: 3x^2+x-2
3x^2+3x-2x-2
3x(x+1)-2(x+1)
(3x-2)(x+1)
PA
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All answers ▸A ball, dropped vertically, falls d metres in t seconds. d is proportional to the square of t. The ball drops 45 metres in the first 3 seconds. How far does the ball drop in the next 7 seconds?
Solve 10x - 7 > 13x +2
Solve algebraically: 6a + b = 16 5a - 2b = 19
Solve 4(x–5)=18