ktoth28
ktoth28
24-11-2019
Mathematics
contestada
0 = x2 + 6x + 9 factor by grouping explain
Respuesta :
Milliecartier
Milliecartier
24-11-2019
To factorise by grouping would require grouping the terms into the form x^2 +2a+ a^2= (x-a)^2. In which case, the a term would be 3, as 2a=6, a=3. Hence the factorised form would be (x-3)^2=0 which means that x-3=0 and hence x=3.
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
What’s the answer to this
1. What are the coordinates of P and what do they mean in this context? 2. What are the coordinates of Q and what do they mean in this context?
You buy 2 shirts for $17.50 each and one pair of pants for $29.95. What was your total
Read this excerpt from Blanca Flor by Angel Vigil. JUANITO Blanca Flor, we can rest now. We are free. BLANCA FLOR No, Juanito, we will not be free until we are
What is the surface area of the triangular prism represented by the net below?640 cm210 cm608 cm2---------16 cm704 cmFoam-12 cm448 cm------10 cm
What makes a body paragraph strong? Check all that apply. It gives clear examples. It cites sources effectively. Olt presents a final opinion. It offers support
When adding two monomials with the same base, add the exponents. A True B False
What is the equation of the line that passes through the point (3, -2) and has aslope of -2?
1. Use the formula d=rt. FInd the rate when d=13 mi and t=3 h. 2. Solve the formula V=r+at for a.
______Where peaceful demonstrations were citizens visit stores or offices and refused to leave or give up their place
