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

Why would white southerners pass laws that controlled the movement of the African American

Copper occurs in nature in the form of two isotopes, Cu-63 and Cu-65. Its correctly recorded atomic mass (weighted average) is 63.5 amu. Without doing the mat

Let A be between B and C. Use the segment addition postulate to solve for w. BA = 7w − 12 AC = 6w − 14 BC = 39 A: 3 B: 8 C: -2 D: 5

what does the flat part of the graph represent

solve for b -5/8b=10

The equation and the variable

Identify and explain one political similarity shared by at least two River Valley Civilizations and explain why that similarity exists.

A rectangular picture frame has a width of 9 cm and a length of x cm. Which expression represents the perimeter of the picture frame? x + 9 2x + 9 2x + 18 2(x+1

Calculate the density of a sample if the mass is 2.98g and the volume is 2.12l

A manufacturer determines that the cost of making a computer component is $2.161616. Write the cost as a fraction and as a mixed number