Question

Factorise the expressions and divide them as directed.

(ii) 39a² (50a² - 98) ÷ 26a²(5a + 7)
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Answer 1

Answer:

39a^2(50a^2-98)÷26a^2(5a+7)

1950a^4-3822a^2÷130a^3+182a^2

15a^2-21a^2

-6a^2

Step-by-step explanation:

-6a^2 is the correct answer.hope it helps have a nice day...

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Answer 2

Answer: 3a(5a-7)

Step-by-step explanation:

39a^2(5x5x2a^2-7x7x2) / 26a ^2(5a +7)​

39a ^2(5a)^2-7^2/ 26a ^2(5a +7)​

39a ^2(5a+7)(5a-7)/26a ^2(5a +7)​

We will cancel or cut  (5a+7)

ANS: 3a(5a-7)