I do not know how to do this question
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Simplify first: -2ab.

a=4 and b=5, so -2ab=-2×4×5=-40.

by Top Rated User (717k points)

Related questions

0 answers
0 answers
1 answer
1 answer
1 answer
2 answers
1 answer
1 answer
asked Jan 16, 2012 in Algebra 2 Answers by anonymous | 404 views
1 answer
asked Oct 14, 2014 in Algebra 1 Answers by anonymous | 145 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
84,493 questions
89,413 answers
8,091 users