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 ▸Solve the inequality x^2 < -8x + 9
I struggle with time management whilst doing an exam paper. How will I be able to answer every question in the time given for the exam?
When I multiple two negative numbers together is my answer positive or negative?
Solve x^2-5x+6=0