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

A school dress code bans tank tops, skirts, and shorts above the knee, and ripped jeans for females. this is an example of ________.

Calculate the standard molar enthalpy for the complete combustion of liquid ethanol (c2h5oh) using the standard enthalpies of formation of the reactants and pro

A chart is closed when?

Which type of cloud is most likely to produce precipitation? a. nimbostratus b. cirrus c. altocumulus d. cirrostratus?

Find the derivative of the following function using the limit process

the second stage of the writing process includes?

A student performed the following steps to find the solution to the equation x^2 +14x +40 = 0. Where did the student go wrong? Step 1. Factor the polynomial i

When specifying learning outcomes to be used in the development of classroom tests and assessments, teachers need to guard against an overemphasis on?

When asked "what is the capital of south dakota?" participants who cannot initially remember the answer often show improved recall when given the prompt, "is it

You have 56 marbles to share with your friends. If each friend gets exactly 4 marbles, which equation could use to solve for the number of friends, n?