daphdlc29 daphdlc29

04-05-2020
Mathematics

contestada

Which is a solution to (x - 3)(x + 9) = -27?
O x=-9
o x=-3
Lox=0
x=6

Respuesta :

aliyah9415 aliyah9415

04-05-2020

Answer: x=0,-6

(x-3)(x+9)=-27
x^2+9x-3x-27=-27
x^2+6x-27+27=0
x^2+6x=0
x*(x+6)=0
1.x=0
2.x=-6

The correct result would be x=0

Answer Link

Otras preguntas

The statement that "at 10 percent, the interest rate is too high for families to buy the home they deserve," is a(n) A. positive statement B. normative statemen

how can you solve for the unknown in each equation

Assume that Professor Rodgers from the previous question had studied only three people aged 65 or older. Suppose he concluded that the average level of happines

A card from a 52 card deck is lost. We then draw 2 cards from the 51 remaining cards. What is the probability they are both diamonds?

What claim is Frederick Douglas making in this speech? Is it valid or invalid? Explain.

4/16 in the lowest terms

A 3,000-kg car bumps into a stationary 5,000-kg truck. The velocity of the car before the collision was +4 m/s and -1 m/s after the collision. What is the ve

You have been invited to the "Party of the Year", but the next day you have the final exam in a required course in your major. Which Principle of Economics best

Describe what an autopsy is and the types of information it provides about the manner and cause of death.

Which structure formed by the male gametophyte allows sperm to reach the ovary of a flowering plant?