nina2338 nina2338

04-05-2020
Mathematics

contestada

Which is a solution to the
(х-2)(х + 5) = 18
A. x = -10
B. x = -7
C. x = -4
D. х= -2

Respuesta :

garosas09 garosas09

04-05-2020

Answer:

B. x= -7

Step-by-step explanation:

replace x with -7

(-7-2)(-7+5)=18

do the math

(-9)(-2)=18

multiply -9 and -2

18=18

two negatives make a positive

x=-7

Hope this helps!

Answer Link

Otras preguntas

What rocks recrystallize to form metamorphic rocks?

Pleas help me out I’m super confused

purpose of the electrocal college and why the founders wished not to have a direct democracy

Which conjunctive adverb is used to show the relationship of cause and effect? (1 point) regardless instead therefore indeed

Please help, what is the domain of the function graphed

[tex]\sqrt{100} square root\\[/tex]

ELEMENTS ARE CLASSIFIED AS METALS, NONMETALS, AND METALLOIDS. USE THE PERIODIC TABLE AND IDENTIFY TWO OF EACH CLASSIFICATION.

convert 4 gal 1 qt 26 oz to ounces

A grocery store gives a 10$ gift card for every 25th customer and 20$ gift card for every 60th customer. Which customer will receive both gift cards

x^2- 5x- 36= 0Solve by using the quadratic formula