Math, asked by ujjalpayenk, 10 months ago

what is the Area :25a²-35+12​

Answers

Answered by Anonymous
3

Answer:

25a² - 35 a + 12

25 a² - 15a - 20a +12

5a [ 5a - 3 ] - 4 [ 5a -3 ]

[ 5a - 4 ] [ 5a - 3 ]

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Answered by singhanujftp
1

(i) 25a

2

−35a+12

(ii) 24x

2

−15x

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ANSWER

(i) Let us first factorize the given expression 25a

2

−35a+12 as shown below:

25a

2

−35a+12

=25a

2

−15a−20a+12

=5a(5a−3)−4(5a−3)

=(5a−4)(5a−3)

Therefore, the area of the rectangle is (5a−4)(5a−3) and we also know that the area of the rectangle is A=length×breadth.

Hence, the length and breadth can both be (5a−4) or (5a−3).

(ii) Let us first factorize the given expression 24x

2

−15x as shown below:

24x

2

−15x

=x(24x−15)

Therefore, the area of the rectangle is x(24x−15) and we also know that the area of the rectangle is A=length×breadth.

Hence, the length and breadth can both be x or (24x−15).

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