Which set of expressions are not equivalent? (4a + 2) + 3 and 5 + 4a 3a + 7 +2a and 7 a + 5 0.5a + 3.5 + 4a and 3.5 + 4.5a 18a + 14 and 6a + 12 + 2 + 12a

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b