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mojhsa [17]
3 years ago
7

Ans with steps.. Tysm Plzz asap!!

Mathematics
2 answers:
WARRIOR [948]3 years ago
5 0

Answer:

10x^2 + 8x

Step-by-step explanation:

Area of the outer rectangle = 5x(3x + 2) = 15x^2 + 10x

Area of the inner rectangle = x(5x - 2) = 5x^2 - 2x

Area of the shaded region = (15x^2 + 10x) - (5x^2 - 2x)

= 10x^2 + 8x

Marrrta [24]3 years ago
3 0

5x(3x + 2) - x(5x - 2) required expression.

Step-by-step explanation:

I get there are 2 rectangles in figure.

How can I get the area of shaded region? What if, I subtract the area of inner rectangle from outer rectangle. Ya It will surely work (⌒o⌒).

Now,

Area of outer rectangle = \sf length \times  breadth

5x \times (3x + 2)

5x(3x + 2)

Again,

Area of inner rectangle = \sf length \times  breadth

=x \times (5x - 2)

=x(5x - 2)

\sf Area \:of \:Shaded\: region = \: Area_{\:outer}-Area_{\:inner}

\sf \: 5x(3x + 2) - x(5x - 2)

If We simplify further then,

= 15x² + 10x - 5x² + 2x

= 10x² + 12x

Area of shaded region is 10x² + 12x in a simple way.

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