kbest02 kbest02

03-04-2020
Mathematics

contestada

Find the sum of the given polynomials. 3x ^2 + 2x - 5 and -4 + 7x ^2

Respuesta :

Hrishii Hrishii

03-04-2020

Answer:

[tex] 10 {x}^{2} + 2x - 9[/tex]

Step-by-step explanation:

[tex](3 {x}^{2} + 2x - 5) + ( - 4 + 7 {x}^{2}) \\ = 3 {x}^{2} + 2x - 5+ 7 {x}^{2} - 4 \\ = 3 {x}^{2} + 7 {x}^{2} + 2x - 5- 4 \\ = 10 {x}^{2} + 2x - 9[/tex]

Answer Link

Otras preguntas

Solve for a. 13(21−3a)=6−a a) no solution b) 0 c) −1 d) all real numbers

The concentration of a chemical degrades according to first-order kinetics. The degradation constant is 0.2 day-1. If the initial concentration is 100.0 mg L-1,

x^2 -6x - 15 = 0 complete the square

The legs of a right triangle are ____ longer than the hypotenuse. a) sometimes b) always c) never

what is the accounting measurement of an insurance company's future obligations to its policy owners?

Which of the following is a rational number

Please help and please also look at my other question that has to do with this.

What is B-CF? B=[2 8 .6 3] C=[12 0 1.5 1 -6 7] F=[-2 0 0 8 2 1] B matrix is 2x2 C matrix is 3x2 F matrix is 2x3

If the volume of a box is 1,463,000 cubic millimeters, what is the volume of the box in cubic meters? (1 millimeter = 0.001 meter)

HELP PLEASE...This map represents a network of roads that existed in whole or in part from the First Century BCE through the 14th Century CE. Which product wo