Expand 10a(3a+4b)10a(3a + 4b)10a(3a+4b)
Verify that g=−2g = -2g=−2 is the solution of 3(g+9)=213(g + 9) = 213(g+9)=21
261 exam-style questions on Eduqas GCSE Maths Expanding and Factorising. Each one has a worked solution and a mark scheme showing where the marks go.