zachery10 zachery10
  • 03-12-2019
  • Mathematics
contestada

(x2 – 3x – 40) = (x + 5)

Respuesta :

ibnsaleemm658
ibnsaleemm658 ibnsaleemm658
  • 03-12-2019

Answer:

x=−5 or x=9

Step-by-step explanation:

Step 1: Subtract x+5 from both sides.

x2−3x−40−(x+5)=x+5−(x+5)

x2−4x−45=0

Step 2: Factor left side of equation.

(x+5)(x−9)=0

Step 3: Set factors equal to 0.

x+5=0 or x−9=0

Answer:

x=−5 or x=9

Answer Link

Otras preguntas

The earliest large cities in colonial north america were located
Which of the following was not a reason for the instability in Latin America ? a. Reliance on the United states for protection b. underdeveloped infrastructur
Convert 8 milliliters to fluid ounces use 1 mL. = 0.034 fl oz.
Name four reasons for keeping your money in a financial institution
Adelaide paid $35 for a manicure and gave the manicurist a 20% tip how much money did Adelaide give her manicurists for the manicure and tip
What purpose did the introduction to the Declaration of Independence serve? a. It outlined the principles behind the call for independence. b. It listed colon
what is the sum of 1/7 and 2/7
A door has an area of 1792 square centimeters. If the length of the door is 56 centimeters, how wide is the door
Which composer became an American citizen in 1940? -Richard Wagner -Ludwig von Beethoven -Igor Stravinsky -Claude Debussy
Explain how comparing 645 and 738 is different from comparing 645 and 649