Question

$25a^{2} - 35a + 12$
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Answer 1

$25a ^{2} - 20a - 15a + 12 \\ 5a(5a - 4) - 3(5a - 4) \\( 5a - 3)(5a - 4)$

hope this answer will be helpful ^_^

Answer 2

hi mate,

solution:

Factoring 25a²-35a+12

25a² - 20a - 15a - 12

Step-1 : Add up the first 2 terms, pulling out like factors :

5a • (5a-4)

Add up the last 2 terms, pulling out common factors :

3 • (5a-4)

Step-2 : Add up the four terms of step 1 :

(5a-3) • (5a-4)

Which is the desired factorization

Final result :

(5a - 4) • (5a - 3)

(5a - 4) = 0 and (5a - 3) = 0

a = 4/5 and a = 3/5

i hope it helps you.