Answer:
38
Step-by-step explanation:
2(l + b)
2(10 + 9)
2(19)
2*19
38
Answer:
4x²+3x-7 is the answer
Step-by-step explanation:
=(4x²-2x)+(5x-7)
opening brackets
=4x²-2x+5x-7
=4x²+3x-7
i hope this will help you :)
To start off with you need to get math-way it will help out
I don't have my calculator handy just now. But just looking at that problem, why don't you try +20 and -45 and see if they do the job.
