taylormrobert11 taylormrobert11
  • 16-06-2021
  • Mathematics
contestada

The sum of a number and its square is 20

Respuesta :

Аноним Аноним
  • 16-06-2021

Answer:

-5

4

Step-by-step explanation:

x + x² = 20

x² + x - 20 = 0

Factor

(x + 5)(x - 4) = 0

x = {-5, 4}

-5 + 25 = 20

4 + 16 = 20

Answer Link

Otras preguntas

What is 3/658 as a percent?Enter your answer as a decimal rounded to the nearest hundredth of a percent.%
this is math please help me
Divide200/100 Places pleased i need the answer
A fire that happens in nurture areas
How do you do probabilities in math?
Divide 80/100 please i need the answer now
Read the passage. Then write a paragraph that explains why the two ecosystems have such different kinds of plants. Use the terms biotic factor, abiotic factor,
Which statement is sufficient evidence that DEF is congruent to ABC?
Which of these forms of transportation was not an innovation that used rails? O the subway the automobile the elevated train the streetcar and the trolley
Find the nth term rule for the sequence: 6, 14, 24, 36, ...