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

what does sovereignty mean

when did dalton form his atomic theory?

Which of the following is an example of the electrostatic force acting in an atom? A. An electron repelling a proton B. A proton repelling another proton C.

square root of 2 is greater than or less than 1.8 repeated

order these numbers from least to greatest. 14 , −0.6 , −3450 , 3.85

Find the smallest possible interger value n for which 99n is a multiple of 24

In the early years of the pacific war, thousands of amerians soldiers were fored into Japanese miltary prisons during which event?

an elderly man, with very marked features and iron-grey hair, sat in the fifth row of the stalls, on the right-hand aisle. he was a bony man, and the people beh

write the verb in parenthesis in the imperfect tense. antes yo ____ en la clase de historia. (estar) (1 point)

what is the slope of a line that is perpendicular to the line y = 1?