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02-01-2021
Mathematics

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Let the area of a rectangle in square metres is x^2+13x+42 how much longer is the length than the width of the rectangle

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Аноним Аноним

02-01-2021

Answer:

1

Step-by-step explanation:

Area of rectangle

lw

So we have to factorise the expression

x²+13x+42

x²+6x+7x+42

x(x+6)+7(x+6)

(x+7)(x+6)

So

x+7-(x+6)

x+7-x-6

1

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