Is this a difference of squares? Yes.Factor as the product of conjugates.Check by multiplying.(11x−7y)(11x+7y)121x2−49y2✓121x2−49y2(11x)2−(7y)2(11x−7y)(11x+7y)
원본 교재 풀이(영어)
Is this a difference of squares? Yes.Factor as the product of conjugates.Check by multiplying.(11x−7y)(11x+7y)121x2−49y2✓121x2−49y2(11x)2−(7y)2(11x−7y)(11x+7y)