susiesaylor90 susiesaylor90

24-05-2020
English

contestada

What is the solution set of 2x^2+x=15?

Respuesta :

usernameusername566 usernameusername566

24-05-2020

Answer:

x1 = -3, x2 = 5/2

Explanation:

2x^2+x-15=0

2x^2+6x-5x-15=0

2x*(x+3)-5(x+3)=0

(x+3)*(2x-5)=0

x+3=0

2x-5=0

x=-3

x=5/2

Answer Link

Otras preguntas

PROBLEM 21 Does the following compound have the R or the S configuration?

map of overview of the slope of South Africa

Choose one of the topics from the Organize Your Evidence chart Write a detailed paragraph about that topic. Include specific examples that hell your reader unde

explain the concept of American Exceptionalism

Read stanza two of "To Serve and Protect." He is the wall that shields us The net to catch us when we fall. When we need a helping hand He is the one we call.

The graph of f(x) = x2 − 6x − 16 is shown. Which of the following describes all solutions for f(x)?

Answer?gbjchbcjbvhbvvhjjvvgg

How does the simile "I am like a cowslip turning/toward the sky" developed in limes 32-37 convey the speaker's feelings about herself and her situation in Passa

Jacob is making a scale drawing to help him redesign his flower garden, which is shaped like a right triangle. a) If the hypotenuse of the actual garden is , wh

Charlie Brothers Ltd has a net income of $100M, purchases $40M of gross fixed assets, and raises short term liabilities of $10M (so its working capital decrease