gabbiemars12 gabbiemars12

01-05-2017
Mathematics

contestada

Using the zero product property to find the solutions to the equation x^2 + x-30= 12

Respuesta :

PHDFlopper PHDFlopper

01-05-2017

first, factor x^2+x-42:
(x^2-6x)+(7x-42)
x(x-6)+7(x-6)
(x+7)(x-6)=0
solve using zero product property:
x+7=0
x=-7
x-6=0
x=6

final solutions to the equation:
x=6;x=-7

Answer Link

Otras preguntas

Which of the following states had the highest average yearly precipitation? A. Nevada B. Maine C. North Dakota D. Louisiana

How to simplify 15/18

Solve by elimination 8x+9y=-55 -8x+y=65

Write these as an algebraic expression 1) 8 less than w 2) k less than 24 3) n divided by 8 4) 3 groups of w You dont have to answer them all

Why do whole numbers with an exponent get bigger while fractions with an exponent get smaller.

mary has 12 marbles. 3/12 marbles. are yellow and 2/12 of the marbles are blue. The rest of the marbles are green. how many marbles are green??explain how you k

solve each system of linear equations by substitution you will get an x, y point for solution show steps y = x - 4 2x + y = 5 next set is x

Describe two differences between german culture and the roman culture.

A gallon of latex paint can cover 300 square feet. Felix has a pentagonal room in which all the sides have the same lenth of 10 feet thr room has a 8 foot celin

in a class of 28 sixth graders all but one of the students are 12 years old. witch two data measurements are the same for the students ages/ what are those meas