What is the sum of X^2-3x+7 and 3x^2+5x-9
1 answer:
X^2 - 3x+7 + 3x^2 + 5x-9
4x^2
-3x+7+5x-9
2x+2
4x^2+2x+2
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l = 2w + 4
l * w = 48
We can substitute l with its value:
2w + 4 * w = 48
2w^2 + 4w - 48 = 0
2(w^2 + 2w - 24) = 0
2(w+6)(w-4) = 0
w = {4, -6}
Answer:
x=15
Step-by-step explanation:
crown plz
Step-by-step explanation:
if 900 is increased by 20% then
120/100×900=1080
Decreasing it by 20% then
80/100×1080=864
Yeah post the questions I'll see if I can answer them
