Giúp em nhanh ạ ( 1 câu thôi cug đc ạ)
(x+2)(x−2)−(x−3)(x+5)=0
(x−3)×(x−2)−(x+1)×(x−5)=0

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?