Expressions
Find out value of expressions if a = -1, b =2:
x=b - 2a - ab
y=a3 - b2 - 2ab
z=a2 b3 - a3 b2
w=a + b + a3 - b2
Your answer:
x=b - 2a - ab
y=a3 - b2 - 2ab
z=a2 b3 - a3 b2
w=a + b + a3 - b2
Your answer:
You need to know the following knowledge to solve this word math problem:
arithmeticGrade of the word problem
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