(ii)
(a + 3) (a + 6) find the product using suitable identity
Answers
Answered by
1
Answer:
a=18/11
Step-by-step explanation:
(a+3)(a+6)
(a+3)(a+6)=0
2a+6a+3a+18=0
Transpose 18
2a+6a+3a= -18
11a= -18
Transpose 11
a= -18/-11
Cancel the signs
a=18/11
Answered by
1
Answer:
Value of a can either be -3 or -6
Step-by-step explanation:
(a+3)(a+6)
(a)²+(3+6)a+(3)(6)---------------[Identity=> (x+a)(x+b)=x²+(a+b)x+ab]
a²+9a+18
By splitting the middle term, we get
a²+6a+3a+18=0
a(a+6)+3(a+6)=0
(a+3)(a+6)=0
a+3=0 ; a+6=0
a=-3 ; a=-6
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