bronxyjane bronxyjane

03-05-2019
Mathematics

contestada

I have to factorise these...

a) x²-2x-3

And...

b) x²+2x-8

I don't understand any of it...

Respuesta :

justinhk10 justinhk10

03-05-2019

Answer:

Well the answer to a) is (x - 3)(x + 1) and the answer to b) is (x + 4)(x - 2)

I don't really know how to describe it because I can do factorials in my head like it is nothing.

Answer Link

Otras preguntas

this person started a newspaper called "The North Star"

how can we keep Lincoln's promise to our veterans and their families? PLEASE YOU GOT TO HELP ME I AM DOING AN ESSAY and I don't know what it means

How many feet are there in 24 yards? A. 72 B. 8 C. 2 D. 288

Change the italicized group of words into a gerund phrase. Then write the complete sentence. 'To hike through canyons' is strenuous activity.

how to do -7x-3x+2=8x-8

What is 2/3 of 12348

What 2 numbers add up to 37 and multiply to -210?

The sum of complementary angles is 90 degrees. a. True b. False

how did the Boston massacre socially impacted the English crown

Which product of cellular respiration is used by the human body for energy? (A)oxygen (B)ATP (C)sunlight (D)CO2