KaraSuenns KaraSuenns

10-06-2020
Mathematics

contestada

factorise 2x^2 -x-21

Respuesta :

LilXDan LilXDan

11-06-2020

Answer:

(x + 3) × (2x - 7)

Step-by-step explanation:

2x² - x - 21

Write as a difference

2x² + 6x - 7x - 21

Factor the expressions

2x × (x + 3) - 7 (x + 3)

Factor the expression

(x +3) × (2x - 7)

Answer Link

Otras preguntas

Determine the area of a parallelogram if its base is 16 cm and its height is 7 cm.

MATH PROBLEM SOLVING

She had to submit some documents (Negative)

Compared to the offspring of sexual reproduction in animals, the þffspring of asexual reproduction will A) show greater variety B) be more resistant to disease

hours of television each week. The average adult in the US watches A 12 B 16 C 28 D48 Answer is C :28

HABLAR | to talk yo nosotros tú vosotros él ellos ella ellas usted ustedes

Please help me‼️ Question: select all the equations that can be represented by a straight line when graphed on the coordinate plane

Help please! It takes 1 3/4 hours to cook a large chicken in the oven. What is this in minutes? -pic attached

what is 50% of 50% of 50% in percentage

According to the national association of home builders the mean price of an existing single family home in 2018 was $395,000. A real estate broker believes that