Math, asked by sgbhange, 5 months ago

Simplify:
a) (-5) (x+5)+25
b) (x+7y) (7 x-y)​

Answers

Answered by geethavanikarre
4

Answer:

hope that it is useful.

Attachments:
Answered by KRM1234
0

Answer:

The answer of ;

a) -5x

b) 7x^2 + 48xy - 7y^2

Step-by-step explanation:

a) (-5)(x+5)+25

= -5x -25 +25

= -5x

b) (x+7y)(7x-y)

= x(7x-y) +7y( 7x - y)

= 7x^2 -xy +49xy -7y^2

= 7x^2 + 48xy - 7y^2

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