jparker5555 jparker5555

07-06-2022
Mathematics

contestada

I'm struggling on finding a step-through for this question, can anyone help? (x+5)(2x+3)-3(x-2)(6x+5)

Respuesta :

loneguy loneguy

07-06-2022

[tex]~~(x+5)(2x+3)-3(x-2)(6x+5)\\\\=2x^2 +3x + 10x +15 - (3x-6)(6x+5)\\\\=2x^2 +13x +15 - (18x^2 +15x -36x -30)\\\\=2x^2+13x+15-(18x^2 -21x-30)\\\\=2x^2 +13x+15-18x^2 +21x +30\\\\=-16x^2 + 34x+45[/tex]

Answer Link

Otras preguntas

To refine the in-between motions, a computer animator uses a mathematical function called a(n)

Working capital management decisions include determining: Multiple Choice 1. the minimum level of cash to be kept in a checking account. 2. the best method o

What new information about hte role of the y subunit of ATP Synthase did this researcdh project elucidate? how does the subunit serve as a resversible motor?

the area of square A is 900cm2, it is 3 times bigger than square B. What is the area of Square B?

At the end of Year 6, South Co.'s tax department estimates that they will have future taxable income of $288,000 due to installment sales and $90,000 due to dep

Soldering guns often use a soft solder alloy composed of 35.5% lead. If you are soldering parts onto a wagon and are only allowed to have a maximum of 2.51 g of

How do you stop feeling Depressed?

A batter hits a baseball with mass 0.140 kg straight upward with an initial speed of 28.0 m/s. How much work has gravity done on the baseball when it reaches a

Homebound, a home decor company, annually donates blankets to various nonprofit organizations. These nonprofit organizations distribute the blankets among the p

You are a management accountant for Time Treasures Company, whose company has recently signed an outsourcing agreement with Spotless, Inc., a janitorial service