Answer:
9z^2+4x+1
Step-by-step explanation:
Remove parentheses.
7{x}^{2}+4x-1+2{x}^{2}+2
7x
2
+4x−1+2x
2
+2
2 Collect like terms.
(7{x}^{2}+2{x}^{2})+4x+(-1+2)
(7x
2
+2x
2
)+4x+(−1+2)
3 Simplify.
9{x}^{2}+4x+1
9x
2
+4x+1
Answer:
True
Step-by-step explanation:
hope this helps you
Answer:
Marneisha with 9.52 pages.
Step-by-step explanation:
Zev: 56×0.15 = 8.4
Kelly: 64×0.12 = 7.68
Marneisha: 68×0.14 - 9.52
Aleisha: 72×0.10 = 7.2
Answer:
The Answer is B.
Step-by-step explanation: