Answer :
Answer:
100x^2
Step-by-step explanation:
(3x+7x)^2 I hope was the question...
=(3x)(3x)+(3x)(7x)+(7x)(3x)+(7x)(7x)
=9x^2+21x^2+21x^2+49x^2
=100x^2
Answer:
100x^2
Step-by-step explanation:
(3x+7x)^2 I hope was the question...
=(3x)(3x)+(3x)(7x)+(7x)(3x)+(7x)(7x)
=9x^2+21x^2+21x^2+49x^2
=100x^2