exam Maths Puzzle Numerical Ability

Multiply. (x - 10)(x + 9)

Thanks.

Read Solution (Total 0)

exam Other Question

How would you perform the indicated operation and simplify for this problem?

5/x^2-2x/30/x^2-4 What is 2Id+3I = 8 and 1.2I5pI=3.6?
I is the absolute value line FYI