bhhzd3037 bhhzd3037

02-10-2017
Mathematics

contestada

Multiplying by a conjugate gives a rational number because (a + b)(a -
b.= _____.

Respuesta :

kritter1 kritter1

02-10-2017

Use foil.

(a+b)(a–b)
a^2 -ab +ab -b^2
a^2 – b^2

Hope I helped :)

Answer Link

Otras preguntas

what is the best thing to do to get money as a kid

Rewrite the following logarithm. log⁡xy

Which of the following is a contact force? Electrical force Frictional force Gravitational force Magnetic force

an athlete collected information on different brands of nutrition bars

Find the length of each arc. Round your answer to the nearest tenth

Write the expression: 4 divided by the sum of x and 7. A) 4 + 7 x B) x 4 + 7 C) x + 7 4 D) 4 x + 7

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS AND I NEED ALL CORRECT ANSWERS ONLY!!! True or False: Doorbells, scrap yards, and rock co

You are buying two kinds of coffee.1 pound of premium coffee costs $3.00.1 pound of regular coffee costs $2.00.You have $15.00 to spend and want to buy 1 pound

is the following an example of a hyperbole? "Heart falling to the floor if we lose another person"

Shipbuilding was done in what area of the colonies?