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What is the reciprocal/ how do we calculate it
One divided by itself E.G what is the reciprocal of four 1/4
How would you expand a bracket ?
Use grid method (Easiest to do)
What is the reciprocal of 5
1 / 5 or 0.2
Expand these brackets (x+3)(X-5)
x2+8x+15
Factorise x2+7x+10
(x+5)(x+2) TOP TIP: to make sure your right expand it as you would and if you get the same expression you know it’s right. Also it has to multiply to make +10 and add to make +7