Answer the following.
Hence factorise $x^2-25$x2−25.
Which positive integer must go in the spaces to make the statement true?
What expression must go in the space to make the statement true?
One linear factor of $x^2-49$x2−49 is $x+7$x+7. What is the other factor?
Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns
Apply algebraic procedures in solving problems