AdegbiteDolapo AdegbiteDolapo

03-09-2021
Mathematics

contestada

find the sum of the following 7x³+5x²-2x+1 and 8x³-4x+4-12

Respuesta :

rijarafiquee rijarafiquee

03-09-2021

Answer:

15x³ + 5x² - 6x - 7

Step-by-step explanation:

(7x³+5x²-2x+1) + (8x³-4x+4-12)

(7x³ + 5x² - 2x + 1) + (8x³ - 4x + 4 - 12)

7x³ + 5x² - 2x + 1 + 8x³ - 4x + 4 - 12

7x³ + 8x³ + 5x² - 4x - 2x + 1 - 12 + 4

15x³ + 5x² - 6x - 7

Answer Link

Otras preguntas

does the following equation represent a proportional relationship? Y= 2/3x

Why are ferromagnetic materials used in computer hard drive

The scale ratio on Emily’s map of jogging is 1:50 000. She chooses a route approximately 12cm long on the map. How far is she planning to jog?

5. Find the value of x, if 6: x :: 15:95.

What’s the instrument of creating a discretionary trust in English law?

metal element and non metallic element

Found the following number to 1 significant figures: 238.02

What is a central idea of "Perseus and the Quest for Medusa's Head"? Responses A. An angry king tries to shame Perseus, whom he hates, but the plan backfires w

Pls answer 20 pt reward!!!!

What character trait did Nya have that helped her get through her long walks to water