25a^2+30a+9 factorise this equation
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Answered by
1
Step-by-step explanation:
25a^2 + 30a +9
=25 a^2 + ( 15 + 15)a +9
= 25a^2 + 15a + 15a +9
= 5a (5a+3) +3(5a+3)
=( 5a +3)( 5a+3)
Answered by
0
25a² + 30a + 9 = 0
25a² + 15a +15a + 9 = 0
5a (5a+3) +3 (5a+3) = 0
(5a + 3) (5a + 3)
(5a + 3)²
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