factotrise the following expression 5x²-16xy-16y²
Answers
Answered by
0
Answer:
5x2 - 16xy-16y2
25x - 16xy - 256y
251xy - 16xy
235xy
Answered by
4
Answer:
5x²-16xy-16²
x(5x+4y)-4y(5x+4y)
5x²+4xy-20xy-16y²
5x²-16xy-16y²
so answer is
factorise expression =(x-4)(5x+4y)
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