Answer:
25
Step-by-step explanation:
the negative cancels out making it an addition sign
Answer:
2.5n is larger than or equal to (> with the line under) 5.25
Step-by-step explanation:
let's say the number is "n"
2 1/2 of n is at least 5 1/4
at least is a synonym to larger than or equal to, which is the fourth symbol, >_ with the line underneath.
Hello,
2x^3+14x^2+6x+42=2x^2(x+7)+6(x+7)
=(x+7)(2x²+6)
=2(x+7)(x²+3) in IR.
or In C 2(x+7)(x-i√3)(x+i√3)