Brackets: Expanding double brackets 1 Silent Teacher Intelligent Practice Narration Your Turn 𝑥−7 𝑥−3 = 𝑥−3 𝑥−7 = 𝑥+7 𝑥−3 = Example For more videos visit mrbartonmaths.com/videos
Worked Example Your Turn (𝑥+8) 𝑥−4 = (𝑥−8)(𝑥+4)= @mrbartonmaths
𝑥+7 𝑥+3 = 𝑥+6 𝑥+3 = 𝑥+3 𝑥+7 = 𝑥+3 𝑥+6 = 𝑥−7 𝑥−3 = 𝑥−6 𝑥−3 = 𝑥−3 𝑥−7 = 𝑥+7 𝑥+3 = 𝑥+3 𝑥+7 = 𝑥−7 𝑥−3 = 𝑥−3 𝑥−7 = 𝑥+7 𝑥−3 = 𝑥−3 𝑥+7 = 𝑥−7 𝑥+3 = 𝑥+3 𝑥−7 = 𝑥+6 𝑥+3 = 𝑥+3 𝑥+6 = 𝑥−6 𝑥−3 = 𝑥−3 𝑥−6 = 𝑥+6 𝑥−3 = 𝑥−3 𝑥+6 = 𝑥−6 𝑥+3 = 𝑥+3 𝑥−6 = @mrbartonmaths
𝑥+7 𝑥+3 = 𝑥 2 +10𝑥+21 𝑥+3 𝑥+7 = 𝑥 2 +10𝑥+21 𝑥−7 𝑥−3 = 𝑥 2 −10𝑥+21 𝑥+7 𝑥+3 = 𝑥 2 +10𝑥+21 𝑥+3 𝑥+7 = 𝑥 2 +10𝑥+21 𝑥−7 𝑥−3 = 𝑥 2 −10𝑥+21 𝑥−3 𝑥−7 = 𝑥 2 −10𝑥+21 𝑥+7 𝑥−3 = 𝑥 2 +4𝑥−21 𝑥−3 𝑥+7 = 𝑥 2 +4𝑥−21 𝑥−7 𝑥+3 = 𝑥 2 −4𝑥−21 𝑥+3 𝑥−7 = 𝑥 2 −4𝑥−21 𝑥+6 𝑥+3 = 𝑥 2 +9𝑥+18 𝑥+3 𝑥+6 = 𝑥 2 +9𝑥+18 𝑥−6 𝑥−3 = 𝑥 2 −9𝑥+18 𝑥−3 𝑥−6 = 𝑥 2 −9𝑥+18 𝑥+6 𝑥−3 = 𝑥 2 +3𝑥−18 𝑥−3 𝑥+6 = 𝑥 2 +3𝑥−18 𝑥−6 𝑥+3 = 𝑥 2 −3𝑥−18 𝑥+3 𝑥−6 = 𝑥 2 −3𝑥−18 @mrbartonmaths