Expand (x+3)(x+6)
Step 1 Using the crab methodLooking at the first bracket:Multiply x by x to give x2Then multiply x by 6 to give 6xThen move onto 3 Multiply 3 by x to give 3xThen multiply 3 by 6 to give 18 Add all these together x2 +6x+3x+18= x2+9x+18
AB
Related Maths GCSE answers
All answers ▸Factorise the expression: 2x^2 + 17x + 21
Using Pythagoras Theorem find the length of the hypotenuse of a right triangle where a=7 cm and b=11 cm. Round to the nearest tenth
Test
Find the points of intersection of the line y+x=8 and a circle with centre at (3,-2) and radius 5.