loujinesabbagh loujinesabbagh

09-12-2019
Mathematics

contestada

The sum of a whole number and twice the square of the number is 10. find the number

Respuesta :

PollyP52 PollyP52

09-12-2019

Answer:

The number is 2.

Step-by-step explanation:

If the number is x then:

x + 2x^2 = 10

2x^2 + x - 10 = 0

2x^2 - 4x + 5x - 10 = 0

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

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

x = 2.

Answer Link

Jecinta13 Jecinta13

02-01-2020

Answer:

hope this helps you pls mark braiest and follow me

Ver imagen Jecinta13

Answer Link

Otras preguntas

The best description of the actual shape of the Earth is a

In the Rutherford nuclear-atom model, ________.A)the heavy subatomic particles, protons and neutrons, reside in the nucleusB)the three principal subatomic parti

why do people not want to talk about their mental health?

What part of a squid is homologous to the foot of a snail?.

Is this correct?? please help

Please help me asap!

The electricity to run a water heater for 1 week costs $15.40. How much does it cost to run the water heater for 365 days?

Create an equation to solve the following word problem: An electrician has placed two electric outlet boxes on each wall in a new home plus 5 additional electri

Create an equation to solve the following word problem: An electrician has placed two electric outlet boxes on each wall in a new home plus 5 additional electri

Problem situation: Janelle is at the movie theater and has $20 $ 20 to spend. She spends $8 $ 8 on a ticket and wants to buy some snacks. Each snack costs $4.