skylerhabig skylerhabig
  • 05-08-2020
  • Mathematics
contestada

Find the product. (7x+2)(x−1) A 8x+1 B 6x+3 C 7x2−5x−2 D 7x2−2

Find the product 7x2x1 A 8x1 B 6x3 C 7x25x2 D 7x22 class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 05-08-2020

Answer:

7x^2 -5x-2

Step-by-step explanation:

(7x+2)(x−1)

FOIL

first 7x*x = 7x^2

outer 7x*-1 = -7x

inner 2x

last 2*-1 = -2

Add them together

7x^2 -7x+2x -2

7x^2 -5x-2

Answer Link
Hi1315
Hi1315 Hi1315
  • 05-08-2020

Answer:

[tex] \boxed{\red{7 {x}^{2} - 5x - 2}}[/tex]

Answer C is correct

Step-by-step explanation:

[tex](7x + 2)(x - 1) \\ 7x(x - 1) + 2(x -1 ) \\ 7 {x}^{2} - 7x + 2x - 2 \\ = 7 {x}^{2} - 5x - 2[/tex]

Answer Link

Otras preguntas

Please help asap!!! :(
43. Match the date with the event. Congress approves the Gadsden Purchase Horde of miners came to California Admission of California as a state Treaty of Guadal
What erythrocyte production disorder results from an autoimmune disease associated with insufficient vitamin B12 absorption (step 6)
How to solve ,step by step
After the War of 1812, New England federalists met to discuss separation from the Union, in what was called
Instructions: Find the measure of
elephantiasis is transmitted by :a. fruit fly b. may flyc. culex d. Anopheles​
A mass that weighs 8 lb stretches a spring 24 in. The system is acted on by an external force of 4 sin 4t lb. If the mass is pulled down 6 in. and then released
During world war ll the government what private American industries to help the war effort?
Who was the first woman Prime minister of India?​