Answer:
7x^2 + 14x - 12
Step-by-step explanation:
Add like terms:
(4x + 8x - 5) + (3x2 + 6x - 7) becomes:
4x^2 + 8x - 5 or (grouping like terms in columns):
+ 3x^2 + 6x - 7
---------------------
7x^2 + 14x - 12
Answer:
h(-2) = 1
Step-by-step explanation:
h(t)=t^2+2t+1
h(-2) = (-2)^2 +2(-2) +1
= 4 -4 +1
= 1
Cross multiply:-
Y2 - y1 = M(x2 - x1)
-y1 = M(x2-x1) - y2
y1 = y2 - M(x2 - x1) Answer
Answer:
Step-by-step explanation:
whT
Elga's age is 50, and Alvin's age is 56. So, the sum of their ages is 106.