teannacerza03 teannacerza03

21-06-2019
Mathematics

contestada

factor and solve to find roots
x squared -x - 90 =0

Respuesta :

konrad509 konrad509

21-06-2019

[tex]x^2-x-90=0\\x^2+9x-10x-90=0\\x(x+9)-10(x+9)=0\\(x-10)(x+9)=0\\x=10 \vee x=-9[/tex]

Answer Link

Otras preguntas

In real time, how long would it take to observe 10 generations of a human family if each generation lasts an average of 30 years?

Ingrid drew a diagram (pictured) to compare two ways in which biodiversity can be protected. Which label belongs in the area marked Y?a. has the goal of releasi

what is the period of these two ? Answer choices listed below

a single slice has an area of 25 sqaure inches and costs $2.50. How many single slices can you get for the price of an 16 inch pie?

How is Islamic religious belief reflected in the art of calligraphy? Writing continues to extend the word of God The written word promotes literacy and intellec

Steve and Karla are studying the text messaging habits of middle school students. They collected data about the number of messages sent daily by students in two

Which describes a climate effect on the rate of weathering? Cold climates favor mechanical weathering. Chemical reactions occur slower at higher temperatures. L

I need help please ???

Explain with examples the Social, Legal, and political functions of local government units in a State

A machinist turns the power on to a grinding wheel, which is at rest at time t = 0.00 s. The wheel accelerates uniformly for 10 s and reaches the operating angu