ShadowQuake3891 ShadowQuake3891

07-10-2021
Mathematics

contestada

QUADRATIC EQUATION â€" WORD PROBLEMS

The sum of two numbers is 5 and their product is â’84. Find these numbers

The answer is 12 , -7

I just need the steps

Respuesta :

rspill6 rspill6

10-10-2021

Answer: -7, 12

Step-by-step explanation:

a+b = 5

a*b = -84

a = 5-b

(5-b)*b = -84

-b^2 + 5b + 84 = 0

(-b - 7)(b + 12) = 0

The roots are -7 and 12.

I'm not sure what â€" stands for

Answer Link

Otras preguntas

Change it from direct narration for indirect narration 1. She said,'' She never gets up early on Sunday.''

Who has the Myanmar military blamed their actions on?

pleaseeeeee helpppppppp

PLZ HELPPP MEEEE Combine the radicals

2. A chemical's flash point is the

Convert 1.25% into fraction

Las Relaciones Personales: Definiciones 2 - Práctica de Vocabulario Escribe las palabras o frases que se definen o se describen a continuación. _el secreto _: e

ILL GIVE THE BRAINLIEST pls help me with this question EVERYTHING IS IN THE PICTURE PLS HELP DUE TODAY IF YOU PUT A WRONG ANSWER ILL REPORT YOU FASTER THAN AS

I2. How many teachers are there in your school? How many male teachers and femaleteachers are there?I) Write the ratio of male teachers to the female teachers.i

1. If I had known, I things differently. (do) 2. If I could be any animal, I a giraffe. (be) 3. I to the police if someone stole my car. (go) 4. If he is on tim