what are all values of x for which 4-x^2≥x-2?

what are all values of x for which 4-x^2≥x-2? 一道简单的英语数学题：If x²-7x+9=(x+a)²+b for all x,then what are the values of a and b what is values What are you all keeping OB 英语 What are 5 values you have求论述.英文的不用多 If A×B=6(A-B),what are the minimum values of A and what is the American values what do you think are three most important values in chinese societ?what do you think so? what are all the factors of 48 What are you all about?怎么回 No matter what,you are my all . In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and what are the octal values of the four 8-bit bytes in the 32-bit number with octal representation? values All local minimum values of &All values at which has a local minimum! Gmat数学题 dataIf b,c,and d are constants and x2 + bx + c = (x + d)2 for all values of x,what is the value of (1) d = 3(2) b = 61我明白怎么出来的,知道b值怎么算出c呢, Values are mean±SD什么意思 what's wrong with all these girls还是what are wrong with all these girls?