The length of a rectangle is 5 cm less than twice the width. The perimeter of the rectangle is 80 cm. Find the dimensions
1 answer:
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It can be factorised as
so the solutions are
x= 10 and x = -9
so the sum of the solutions is 10 -9 which is 1
so the solutions are
x= 10 and x = -9
so the sum of the solutions is 10 -9 which is 1