Math, asked by ananyasri255, 7 months ago

how to solve x^2+x-90 by quadratic equation??

Answers

Answered by Tejaswi216

1

Answer:

by using quadratic formula,

d=b^2-4ac

= 1+360

=361

√d=√361
√d=19

x= -b+√d/2a

= -1 + 19/2

= -20/2

= -10

Hope it helps..

Previous Question

Next Question

Similar questions

Math, 3 months ago

if the term of an A.P is 24 and product of second and third is 104 find the terms ...

Social Sciences, 3 months ago

Q. Why did Mahatma Gandhi think that English education had enslaved Indians ?

Physics, 3 months ago

MATCH THE FOLLOWING 6.Buildings having very wide foundation. 7. The mass per unit volume. High rise building Density 8. The unit of pressure in SI system.

Hindi, 7 months ago

लखनवी अंदाज कहानी में लेखक ने किस प्रवृत्ति पर व्यंग किया है...

English, 7 months ago

II. Change the Voices accordingly (7) 8. The manager grouted me the permission. 9. They laughed at me. 10. Don’t wait for me. 11. Teach me everything. 12. Does my mother love me? 13. What is known to you about Computers? 14. This medicine is better when it is tasted.

Physics, 11 months ago

9. A proton is projected with a speed of 3 * 10ºm/s horizontally from east to west. A uniform magnetic field of 2 x 10ºT is exists in vertically upward direction. Find the force and acceleration of the proton in the magnetic field.

Geography, 11 months ago

the first player to be dismissed hit wicket on debut also getting out for a golden duck. he proceeded to get out the same way in in the very next game, becoming the only player to be out this way twice in consecutive games. identify the player and the country he represents...

Science, 11 months ago

kindly help me in this question...