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 ▸Make a the subject of the formula p = (3a + 5)/ (4 - a)
Find the points where the curve given by: y = x^2 - 4x -12, and the line given by y = 2x - 12
Find the length of the hypotenuse of a right angled triangle which has other two sides of length 5 and 12.
How do I calculate the gradient of a linear (straight) graph?