<span>x + 9 = 2(x - 1)^2
x + 9 = 2(x^2 - 2x + 1)
x + 9 = 2x^2 - 4x + 2
</span>2x^2 - 4x + 2 - x - 9 = 0
2x^2 - 5x -7 =0
Answer:
It's actually all of them
Step-by-step explanation:
Make sure you choose all of the above
Easy
the value of the 7's in the decimal number, 257.76 is 0nes and tenths
Answer:
345
Step-by-step explanation:
Your desired equation to use to solve for x, the discounted price of the Kindle, would be: 269.99-(0.15)(269.99)=x, which may be simplified to be 0.85(269.99)=x. This is because you are paying 85% of the original price of the Kindle after applying 15% discount.