KelseyCalcines KelseyCalcines

22-02-2017
Mathematics

contestada

I want to how they answer this question. What is the value of x?

I want to how they answer this question What is the value of x class=

Respuesta :

ChandrikaP ChandrikaP

22-02-2017

√(15+x) = 2x+3
take sqr for both side

15x+10=(2x+3)^2

15x+10=4x^2+9+2*2x*3
15x+10=4x^2+9+12x
4x^2-3x--1=0

solve it u will x=1,-1/4

Answer Link

Otras preguntas

Which of the following points would be plotted in Quadrant IV on a coordinate grid? A. (2,3) B. (-4,-9) C. (-9, 3) D. (5, -6) WIB

A square market has an area of 36 square meters. How long is each side?

Help with number 10! Step by step please!

Questions1 the blank is all of the living organism for earth and places they live

Which is the graph y = (x + 2) squared minus 3 ? a. On a coordinate plane, a parabola opens down and goes through (negative 4, negative 5), has a vertex at (neg

what is (6x6) Divided by (2+7)

The town of Riverside is holding an election for mayor. Only 200 residents have voted so far and the results are shown in the table. Based on these results, wha

Help and explain I have been here for a month and going back to the video and not understand

1.50 moles of argon are at a pressure of 4.125 atm and a temperature of -38.0 degrees C. What is the volume of the sample?

What is the effect of beginning the poem by focusing on how "some men" find all their inspiration in nature? (5 points) a It allows the speaker to set up the co