Answer:
x+15=3(x-5) his present ae is 15 years
Step-by-step explanation:
x+15=3(x-5)
x+15=3x-15
15+15=3x-x
30=2x
x=30/2=15 years
Answer:
B
Step-by-step explanation:
x(2x + 3)
Expand the brackets.
x(2x)+x(3)
Multiply the terms.
2x² + 3x
The answer is 2x² + 3x.
Answer:
I believe it is B. 2x2 + 3x
Step-by-step explanation:
Because x will go into 2x like 2x^2 and if you multiply x * 3 which it would equal 3x. That's the best I can explain it.
Hope my answer has helped you and if not I am sorry.
B. 1/12
C. 5/12
D. 1/17