Question
Simplify (x+3)(x+5).
Answer: Option B
:
B
To simplify: (x+3)(x+5)
Using the identity [(x+a)(x+b)2=x2+(a+b)x+ab]
we get,
(x+3)(x+5)=x2+(3+5)x+3×5=x2+8x+15
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:
B
To simplify: (x+3)(x+5)
Using the identity [(x+a)(x+b)2=x2+(a+b)x+ab]
we get,
(x+3)(x+5)=x2+(3+5)x+3×5=x2+8x+15
Was this answer helpful ?
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