Simplify:
a) (-5) (x+5)+25
b) (x+7y) (7 x-y)
Answers
Answered by
4
Answer:
hope that it is useful.
Attachments:
Answered by
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
Similar questions