mubarakabdi619 mubarakabdi619

26-04-2020
Mathematics

contestada

The square of a number is 15 more than 2 times the number

Respuesta :

wlaaalisaid wlaaalisaid

26-04-2020

x^2 = 2x + 15

x^2 -2x - 15 = 0

Factor:

(x-5)(x+3) = 0

x = 5 or x = -3

Answer Link

Otras preguntas

the system of legal discrimination against blacks passed by southern states

What advantages did the American colonists have over the British during the American Revolution?

factoring by grouping how do i solve it 8r^3-64^2+r-8

a women earns $2600 per month and budgets $520 per month for food. what percent of her monthly income is spent on food

The prevailing economic theory of the late eighteenth century was? mercantilism free enterprise navigation tax

what is the inequality of - r/4 < 8 sorry I couldn't put the line under the greater or less sign.

TRUE OR FALSE only moving things have energy

List three main ideas of the cell theory

The pH of water is _____ because it contains an equal amount of H+ and OH- ions.

Subtract use model if needed (9x+5) - (4x+3)=