Polostackin Polostackin

01-10-2020
Mathematics

contestada

-2x2 + 4x2 =
help please

Respuesta :

jimrgrant1 jimrgrant1

01-10-2020

Answer:

2x²

Step-by-step explanation:

Given

- 2x² + 4x² ← these are like terms, both have x² in them

To simplify, add the coefficients, that is

= (- 2 + 4)x²

= 2x²

Answer Link

Otras preguntas

solve |x - 1|>4 a. {x|x< -5 or x> 5} b. {x|-3< x< 5} c. {x|x< -3 or x> 5}

need help any body help please

what is a common way that an artifact is used at the beginning of a story? a. to establish a chronological order of the events in the story b. to give the reade

what's the pattern for _, 8570 _, 85.7, 8.57

Noah has a $20 gift card for an online music store. All songs at the store have the same price. After Noah buys 3 songs the balance on the card is $16.25. What

(6x 7)(6x-7) determine each product

“They made her a grave, too cold and damp For a soul so warm and true; And she’s gone to the Lake of the Dismal Swamp, Where, all night long, by a fire-fly lamp

need 10 sentences in total with am not, is not, are not please

Qui est-ce? what does this mean in french?

is an empty calorie food that some people call liquid candy