factorise 2x^2-5xy-2y^2
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Answer:2x2+5xy+2y2
For a polynomial of the form ax2+bx+c
, rewrite the middle term as a sum of two terms whose product is a⋅c=2⋅2=4 and whose sum is b=5
.
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2x2+xy+4xy+2y2
Factor out the greatest common factor from each group.
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x(2x+y)+2y(2x+y)
Factor the polynomial by factoring out the greatest common factor, 2x+y
.
(2x+y)(x+2y
Step-by-step explanation:
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