ytaijueracaitlyn ytaijueracaitlyn

26-04-2016
Mathematics

contestada

Subtract and simplify: (3x^2 + 7) – (x^2 – 6x – 4)

Question 3 options:

2x^2 + 6x + 3

4x^2 – 6x + 3

2x^2 + 6x + 11

4x^2 + 3

Respuesta :

amalwazhere amalwazhere

26-04-2016

Distribute the Negative Sign:=3x2+7+−1(x2−6x−4)=3x2+7+−1x2+−1(−6x)+(−1)(−4)=3x2+7+−x2+6x+4Combine Like Terms:=3x2+7+−x2+6x+4=(3x2+−x2)+(6x)+(7+4)
Answer is =2x2+6x+11

Answer Link

Otras preguntas

Question 1 (5 points) What's the role of the sun's gravity in the solar system? A) Prevents the sun from falling into a black hole B) Slowly pulls the planets t

PLEASE HELP (not good at math)

What is the pH of a 8.4x10⁻6 M H+solution? What is pH? pH=[?]

When you calculate the number of permutations of n distinct objects taken r at a time, what are you counting?.

What is the length of the hypotenuse? If necessary, round to the nearest tenth.

Think about someone who has been a positive leader in your life. It can be someone you know personally, or someone you've learned

Write short answers. What are the basic requirements to become an engineer? Write the importance of engineering profession in five points. Who is an architect?

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?\begin{align*}&-x^2 + 18x + 81 \\I nee

Determine the oxidation state a manganese in each of the following structures. a) Mn0₂ b) Mn2O7 C) KMnO4 .

what is the solution of 3x+9<15