Math, asked by vikashindoriya09955, 3 months ago

प्रश्न-7.
गुणनफल ज्ञात कीजिए-
(x + 4)x (x + 9)

Answers

Answered by RCR7

8

Step-by-step explanation:

x+a × x+b = x²+(a+b)x+ab

so x²+(4+9)x+4(9)

= x²+13x+36

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