Math, asked by nr8895157, 8 months ago

verify the identity (x+a)(x+b)=x^2+(a+b)x+ab for x=11a=4 and b=-7

Answers

Answered by kotapatiharsha

0

Step-by-step explanation:

please mark it as brainliest

Attachments:

Answered by amritamondal2008

0

Answer:

60

Step-by-step explanation:

=(11+4)[11+(-7)]

=11^2+[4+(-7)]11+4*(-7)

=121+[-3*11]-28

=121-33-28

=121-61

=60

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