book Maths Puzzle Numerical Ability

Could you help me to complete the square to solve x^2-8x-12=0?

Read Solution (Total 0)

book Other Question

28. Solve each of the following equations for x

2(x-3)-3 (x+5)= 3 (x-2)-7 A sum of money amounting to $5.15 consists of 10 cents and 25 cents. If there are 32 coins in all, how many 25 cents are there?