# Introduction to Factorising Quadratic Trinomials using Common Factors

Transcript I’m going to show you something like this. Now have a look it’s pretty much the same thing as what we’ve been doing but this time we’ve got c c c and extra number in front of each of these which means c is a common factor, isn’t it? So first, if it’s a […]

# Factorising Monic Quadratic Trinomials Plus Minus Form

Transcript Now again, it’s a bit different because now we have positive here and negative here but don’t worry too much about this number guys because the the first thing you should consider is the factors of this one. Okay? Now it’s negative again. How do we make negative? Well we need to have plus […]

# Factorising Monic Quadratic Trinomials Minus Minus Form

Transcript Both of them are negative. In this kind of case again you’re going to consider the signs again. Okay? Very very carefully be very careful. Now this time again I’m going to put my xs is on my left because it doesn’t really change x squared is x times x. I’m going to always […]

# Factorising Monic Quadratic Trinomials Minus Plus Form

Transcript Again I’m going to put x and x on the left-hand side because again x times x is definitely x squared. Now 3, 3 is simply 3 and 1, isn’t it? 3 times 1 is 3. But when this is a plus and this is a negative we need to make negative don’t we? […]

# Factorising Monic Quadratic Trinomials Plus Plus Form

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