lukemcrorie0505 lukemcrorie0505
  • 21-09-2020
  • Mathematics
contestada

Rewrite the equation by completing the square.
x2 + 3x – 28 = 0
(x +
)2 =

Respuesta :

aryanjangra506
aryanjangra506 aryanjangra506
  • 21-09-2020

Step-by-step explanation:

x2 + 3x – 28 = 0

x^2+7x-4x-28=0

x (x+7)-4(x+7)=0

x-4)(x+7)=0

x=4

x=-7

Answer Link

Otras preguntas

what value of x makes the equation square root of x-5=4 true?
vamos a compar helado ___________ la senora nelson a) por. b) para
what was the main goal of European explorers in the 1500s?
logb121=2   Can somebody help and explain?
While traveling along a highway a driver slows from 24 m/sec to 15 m/sec in 12 seconds. What is the automobile’s acceleration?
what value of x makes the equation square root of x-5=4 true?
A=1/2h(B+b); A=70, B-6, b=1 solve for h
3m(2m+9)=0 what is the factor of m
Can someone help me with this page?
Ok so I have like a grid and it says "On the grid to the right, draw a polygon that has 2 pairs of parallel sides, 2 pairs of sides equal in length, and 2 acute