jaleesa31 jaleesa31

01-02-2022
Mathematics

contestada

x²+2x-15=0

Solving quadratic equations using factorising

Respuesta :

amandaissa amandaissa

01-02-2022

Answer: (x+5)(x-3)

Explanation:

Write 2x as a difference so (that also =15) so 5x-3x

That end up being x^2+5x-3x-15 now putting into factorisation (x+5)(x-3)

Hope this helps:)

Answer Link

Otras preguntas

F 16 of every 34 students attending a school are female, and the total number of students at the school is 4 , 760 how many of the students are female?

Please help me -(-1.8c-10d+9

20x = 19 – (3 + 12x)

Why is Mars red? Please describe your answer.

Are extraterrestrial beings real?

Which factor most contributed to the growing economies of Mesopotamian Empires?

(1.5) raised power x=21

Does the chemical reaction presented in the data table follow the law of conservation of matter? Justify your answer with evidence from the document.

12 1/2 percent converted to a decimal and fraction

Using the following image, solve the problems below given that Q is the midpoint of PR.