A rectangle has a height of $$x$$ and a width of $$7 x-4$$. Express the area of the entire rectangle. ![](http://admin.getprephub.com/media/editor/q6_20221205203332563582.png)

Here, $$\text {Width}=7 x+(-4)=7 x-4 $$ $$ \text { Height }=x \text {. } $$ $$ \text { Area }=\text { width} \times \text { height }=(7 x-4) \times x $$ $$=7 x^{2}-4 x $$

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Easy

MCQ

A rectangle has a height of $x$ and a width of $7 x-4$ . Express the area of the entire rectangle.

Select all that apply :

$7 x^{2}-4 x$

$7 x+4$

$4 x^{2}+7 x$

$4 x+7$

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