Factorising Quadratics Key Words: Quadratic, Expand, Simplify, Term, Factorise Mathswatch Clip 157 Corbett maths Video 118 Search Google for Khan Academy Origins of Algebra and watch the short video. Write down ten facts from the video relating to the origins of algebra. Your friend has missed this important lesson. Text them to tell them what they have missed and how you factorise. 𝑥 2 +5𝑥+6 Find all the factors of the number in Which factors then combine to get Factorising Quadratics 1. Factorise fully 2. Factorise fully 𝑥 2 +5𝑥+6 𝑥 2 +2𝑥−8 𝑥 2 +9𝑥+8 𝑥 2 +3𝑥−10 𝑥 2 +7𝑥+10 𝑥 2 +𝑥−6 1. Factorise fully 2𝑥 2 −10𝑥−28 4𝑥 2 −42𝑥+54 𝑥 2 +6𝑥+9 𝑥 2 −6𝑥−7 𝑥 2 +7𝑥+12 𝑥 2 −𝑥−12 3. Factorise fully 𝑥 2 −7𝑥+12 2. Find the lengths of the rectangle 𝑥 2 −8𝑥+15 𝑥 2 −8𝑥+12 Area = 𝑥 2 +8𝑥−33 𝑥 2 −6𝑥+9 𝑥 2 −20𝑥+36

Factorising Quadratics Key Words: Quadratic, Expand, Simplify, Term, Factorise Mathswatch Clip 157 Corbett maths Video 118 Search Google for Khan Academy Origins of Algebra and watch the short video. Write down ten facts from the video relating to the origins of algebra. Your friend has missed this important lesson. Text them to tell them what they have missed and how you factorise. 𝑥 2 +5𝑥+6 Find all the factors of the number in Which factors then combine to get Factorising Quadratics 1. Factorise fully 2. Factorise fully 𝑥 2 +5𝑥+6 +2 +3 +8 +1 +5 +2 +3 +3 +4 +3 +4 -2 +5 -2 +3 -2 +1 -7 +3 -4 𝑥 2 +2𝑥−8 𝑥 2 +9𝑥+8 𝑥 2 +3𝑥−10 𝑥 2 +7𝑥+10 𝑥 2 +𝑥−6 1. Factorise fully 2𝑥 2 −10𝑥−28 4𝑥 2 −42𝑥+54 𝑥 2 +6𝑥+9 𝑥 2 −6𝑥−7 2𝑥+4 𝑥−7 4𝑥−6 𝑥−9 𝑥 2 +7𝑥+12 𝑥 2 −𝑥−12 3. Factorise fully -4 -3 -5 -3 -6 -2 -3 -3 -18 -2 𝑥 2 −7𝑥+12 2. Find the lengths of the rectangle 𝑥 2 −8𝑥+15 All answers in the form (x + a)(x + b) 𝑥 2 −8𝑥+12 Area = 𝑥 2 +8𝑥−33 𝑥 2 −6𝑥+9 𝑥 2 −20𝑥+36 (x + 11) & (x - 3)