Step-by-step explanation:
2x^2 + 8x - 12 = 0..divide by 2
x^2 + 4x - 6 = 0
x^2 + 4x = 6...add 4 to both sides of the equation
x^2 + 4x + 4 = 6 + 4
(x + 2)^2 = 10....<== ur constant is 10
x + 2 = (+-)sqrt 10
x = -2 (+ - ) sqrt 10
x = -2 + sqrt 10
x = -2 - sqrt 10
Answer:
-a+11
Step-by-step explanation:
hard to explain. but should be correct
Answer:
20 points
Step-by-step explanation:
key words: difference
Take the amount of points she has and subtract what she has
25-5
X + x + 30 = 510
2x = 480
x = 240
there were 240 women and 270 men.