Simplify: 4 - 2x + x2 + 2x + 4
4 - 2x + x2 + 2x + 4
= x2 + 8
MC
Related Maths 13 Plus answers
All answers ▸3/8 is the same as ?/24 ?
Solve these two equations simultaneously: 7x+y=1 and 2x^2 - y=3
expand and simplify: 5(3a+6b)+ 3(7b+a)
Eleven pet owners were asked how many pets they had in total. The results are given below. 1, 1, 2, 3, 4, 5, 5, 6, 6, 6, 7 - Two more owners are asked how many pets they have. Including their results the mean goes down to 4 but the mode is unchanged from