Math, asked by bhavyar666, 6 months ago

3xsquare+21x+36=0 factorise ​

Answers

Answered by mahakmayani
1

Step-by-step explanation:

3xsquare +21x +36=0

taking 3 common

3(x square + 7 x + 12)=0

x square + 7 x + 12=0

x square + 3 x + 4x + 12 = 0

x(x+3) +4(x+3)=0

(x+3)(x+4)=0

x= -3 and -4

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