Question

(3x + 2) (3x+7) using property​

Answer 1

Answer:

Step-by-step explanation:

this can be done by using identity (x+a)(x+b) = x square

+x(a+b)+ab

=9x square+27x+14

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Answer 2

Answer:

(a+b)(a+c)=a²+(b+c)a+bc

⇒(3x)²+(2+7)3x+2*7

⇒9x²+27x+14

factorising

9x²+21x+6x+14=0

3x(3x+7)+2(3x+7)=0

(3x+2)(3x+7)=0

3x+2=0  and 3x+7=0

x= -2/3    and x= -7/3

Step-by-step explanation: