Math, asked by rakheshmalviya001, 2 months ago

गुणनफल ज्ञात कीजिए
(1) (2y + 5) (2y +5
(2) (x + 4) (x + 7)

Answers

Answered by sujayG17

0

Step-by-step explanation:

(1) (2y+5)²= (2y)²+(5)²+2(2y)(5)

= 4y²+25+20y

(2) (x+4)(x+7)= x(x+7) + 4(x+7)

=(x²+7x)+(4x+28)

=x²+11x+28

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