Find the values of the constants aaa, b b\,b and c c\,c such that 3x2−12x+7≡a(x+b)2+c3x^2 - 12x + 7 \equiv a(x + b)^2 + c3x2−12x+7≡a(x+b)2+c
8 exam-style questions on WJEC A Level Maths 1.2.4 Algebra and Functions. Each one has a worked solution and a mark scheme showing where the marks go.