The tree grows 6cm per year and we need to find out how long it will take to grow 1 meter. We know that 1 meter is equal to 100 centimeters. So: 6x = 100 x = 16.67 It will take 16.67 years (or one and two-thirds of a year) for the tree to reach 1 meter.
I am not positive for the factoring of each expression but for the distributive property you do 8 TIMES x then 8 times 7 so you would get blank plus blank and so on for the next ones.
