jayleasantiago jayleasantiago

18-12-2020
Mathematics

contestada

Bob says that when he multiplies (x+3) (x-3) he gets x^2-6x-9 is he correct explain

Respuesta :

mg051203 mg051203

18-12-2020

(x+3)(x-3)
x*x=x^2
x*-3=-3x
3*x=3x
3*-3=-9

where’s where he most likely messed up
x^2-3x+3x-9

the correct answer is x^-9

Answer Link

Otras preguntas

x^3+13x^2+32x+20 please help me factorizing above equation

How many subsets does the set {1, 2, 3} have?

true or false, there is no solution to the systems of inequalities shown belowy<3x+5y>-x+4

Find all zeros (real and complex) for the function f(x)=x^3-5x^2+9x-5

determine the smallest 6 digit number which is exactly divisible by 8,15,and21

A solution containing 30% insecticide is to be mixed with a solution containing 50% insecticide to make 200 L of a solutions containing 42% insecticide. How muc

how do you find the least common multiple of these two expressions. 10x^5v^8 and 25x^4v^7u^2

If 540 million metric tons of carbon dioxide is released in the air per year and 35% of it is from other fuels, how much carbon dioxide is emitted?

If 540 million metric tons of carbon dioxide is released in the air per year and 35% of it is from other fuels, how much carbon dioxide is emitted?

How would you algebraically factor x squared minus 15?