solve x^2 >3(x+6) (4 mks)
x2>3(x+6)Firsty expand brackets --> x2>3x+18Then make one side = to 0 ---> x2-3x-18>0Solve the quadratic (x+3)(x-6)>0find the solutions when =0 x=-3 and x=+6Then sketch the graph or draw number line to find the inequality region x<-3x>6
LC
Related Maths GCSE answers
All answers ▸What is 3.25 plus 3 and 3/4?
Show the curve y = 4x^2 + 5x + 3 and the line y = x + 2 have exactly one point of intersection
Naoby invests £6000 for 5 years. The investment gets compound interest of x% per annum. At the end of 5 years the investment is worth £8029.35 Work out the value of x.
Can you explain how to divide mixed number fractions?