The answer is The second one because I took this test before and I got it right
Answer:
8x-13x²-3
Step-by-step explanation:
you first have to work with the negative sign and the brackets by multiplying the negative sign by everything in the second brackets
3x-5-7x²+2-6x²+5x
then group the like terms
3x+5x-7x²-6x²+2-5
8x-13x²-3
I hope this helps
Answer:
1)=> x=22
2)=> x=16
Step-by-step explanation:
....,....................
<h3>
Resolution 12 Shaded in.</h3>
Step-by-step explanation: Imagine a triangle with 16 spots and you need to get 75% of it 16 in all is 100 take away 4 spots you get 12 and 12 from 16 is 75 if you do the math
147 =20x+47
147 is less than or equal to 20 multiplied by the number of hours she works (x) plus 47 the amount of money she already has
