Question

practice set 6.1
Q.9] 3x² + 14x + 15
chapter 6 - Factorisation of algebraic expression.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

3×15=45

factors of 45 are 3,3,5

Now we have to make two such pair on adding which we gat 14 and on multiplying we get 45

such no.'s are 9 and 5

A. T. Q.

3x^2+9x+5x+15

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

(x+3) (3x+5) Ans.

Hope it is helpful