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

Explian how the antennae could help the sand crab survive in it environment

Complete the equation to show how hydrofluoric acid, HF , acts as a Brønsted-Lowry acid in water. balanced equation: HF + H2O <=>

help me i give 15 points

A chef had to fill up 2/3 of a container. it took 2 2/4 lbs. How many pounds would it take to fill the container.

Consider the reaction. 2 upper C (s, graphite) plus upper H subscript 2 right arrow upper C subscript 2 upper H subscript 2 (g). Standard Enthalpies of Formatio

HELP NOW, WILL GET 97 POINTS FOR ANSWERING!!! PLEASE HELP IMMEADIATLY. Addie walked 2 1/2 miles in 45 minutes. Suzie covered 2 2/5 miles in 2/3 of an hour.

how does deliberation help lead to a better government?

What year was slavery stopped

Philosopher : reflects :: Scientist: A. Contemplates B. Elaborates C. Investigates D. Describes

write word and formula equation for the reaction in which aqueous solutions of sulfuric acid and sodium hydroxide reacts to form aqueous sodium sulfate and wate