Interactive practice questions
Answer the following.
a
Expand $\left(x+5\right)\left(x-5\right)$(x+5)(x−5).
b
Hence factor $x^2-25$x2−25.
Easy
1min
Which positive integer must go in the spaces to make the statement true?
Easy
< 1min
What expression must go in the space to make the statement true?
Easy
< 1min
One linear factor of $x^2-49$x2−49 is $x+7$x+7. What is the other factor?
Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account