Phân tích thành nhân tử:

a) x2 – 3 ; b) x2 – 6

c) x2 + 2√3 x + 3 ; d) x2 - 2√5 x + 5

50 points~ ! i have to turn this in tomarrow

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?

1/4x+5=3/4. i can't get access to the answer to this question! and, my request on "contact us" will not go