Question

. 25x2 + 30x + 9 factorise using identities

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Answer 1

Answer:

Hey mate! Here's your answer:

Step-by-step explanation:

25x² + 30x + 9

25x² + 15x + 15x + 9

5x(5x + 3) + 3(5x + 3)

(5x + 3)(5x + 3)

(5x + 3)².

So 25x² + 30x + 9 = (5x + 3)².

HOPE IT HELPS YOU, PLS MARK IT AS THE BRAINLIEST AND PLS FOLLOW ME! :):):)

Answer 2

Step-by-step explanation:

25x²+30x+9

identify 1 (a+b)²=a²+b²+2ab

5x²+2×5x×3+3²

(5x+3)²