Question

Please explain it to me..​

Answer 1

Answer:

(i) (5a - 4)(5a - 3)

(ii) (7y -3)(5y + 4)

Step-by-step explanation:

We answer by solving the quadratic equation, i.e, finding the possible values for x.

(i) By splitting the middle term method 25a² - 35a + 12 can be implied to

25a² - 15a - 20a + 12 [Middle term splitting is in such a way that, sum of the digits = -35a & product of the digits = 300a² (25a² × 12)]

Taking the common factors out, we get

5a(5a - 3) -4(5a - 3)

=> (5a - 4)(5a - 3)

(ii) By splitting the middle term method, 35y² + 13y - 12 can be implied to

35y² + 28y - 15y - 12 [Middle term splitting is in such a way that, sum of the digits = +13y & product of the digits = 420y² (35y² × 12)]

Taking the common factors out, we get

7y(5y + 4) -3(5y + 4)

=> (7y -3)(5y + 4)

Answer 2

Step-by-step explanation:

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