Transcript Now! again! x and x, what times what is one over nine? Well, I know that one over three times one over three is one over nine, and what about 1 over 3 plus 1 over 3? That’s 2 over 3, isn’t it, which is what we have in the middle, so I know […]

Transcript 14! okay! Again we’re going to do the same kind of thing but see how this is plus and this is negative because that’s a negative guys we should make negative negative to make positive, don’t we? So this time I’m going to use the same factors but with x and x and this […]

Transcript So I’m going to start by drawing our usual x and x on my left and on our right, we look at the factors of nine. But I want to make this into a perfect square, how about 3 and 3? 3 times 3 makes 9, and at 3 plus 3 makes 6. So […]

Transcript Now we’re going to be looking at the perfect square. Now, what is a perfect square? It’s simply um an expression that looks like this a quadratic that looks like this x squared plus 2ax plus a squared. Now remember what we had in part one, we’ve had an but with a perfect square, […]