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

A water tank contains 75 liters. Water is leaving the tank at an increasing rate given by f(t)=2+0.4t^2 liters per minute. A) How much water leaves the tank in

What physical structure of a plant is similar in function to these two objects? a long, narrow garden hose and a group of long plastic drinking straws Bark Pist

Solve: [tex]x=4+\left(4x-4\right)\frac{1}{2}[/tex] x = 2 x = 10 x = 2 or x = 10 no real solution

SCIENTISTS CARRY OUT THEIR WORK IN AN ORGANISED WAY CALLED THE ----

An important factor in selling a residential property is the number of times real estate agents show a home. A sample of 15 homes recently sold in the Buffalo,

A mis amigos les gusta tomar ____ (their) refrescos con limón. nuestros suya su sus

Jeff and Cameron are arguing about which one of them is faster. Jeff says "I can run 777 kilometers per hour!" and Cameron says "I can run 100100100 meters per

In this diagram, ABAC – AEDF. If the area of ABAC = 6 in?, what is the area of AEDF?

What happened on January 15, 1991?

State the final conclusion in simple nontechnical terms. Original claim: The proportion of male golfers is less than 0.6. Initial conclusion: Fail to reject the