thisisawada thisisawada

25-09-2020
Mathematics

contestada

(2x+3)^2-3(x-1)(x + 2)

Respuesta :

jimrgrant1 jimrgrant1

25-09-2020

Answer:

x² + 9x + 15

Step-by-step explanation:

Given

(2x + 3)² - 3(x - 1)(x + 2) ← expand factors using FOIL

= 4x² + 12x + 9 - 3(x² + x - 2) ← distribute

= 4x² + 12x + 9 - 3x² - 3x + 6 ← collect like terms

= x² + 9x + 15

Answer Link

Otras preguntas

Which piece of the planetary object data could be used to decide if there actually is a solid surface to land on?

Is -212 a rational number

ASAP HELP ME PLS WITH FRACTIONS MATH

what do the men around the cartoon represent

What qualifies a molecule as being polar

In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so the molecule contains two sets of

find the mean of the data set l. -8, 12, 25.9, -6.3, 21.7

what is the electron arrangement of K

A piece of paper can be made into a cylinder in two ways: by joining the short sidestogether, or by joining the long sides together12. Which cylinder would hold

Why was Herschel unable to correctly map out the shape of the Milky Way