Question

поомоогиите
( 10a² - 7ab²)²​

Answer 1

$(10a^2-7ab^2)^2=(10a^2)^2-2*10a^2*7ab^2+(7ab^2)^2=\\=100a^4-140a^3b^2+49a^2b^4$

Answer 2

$(10a^{2} - 7 ab^{2} )^{2} \\\\(10a^{2} )^{2} - 2 * 10a^{2} * 7ab^{2} + (7ab^{2} )^{2} \\\\Otvet:100a^{4} - 140a^{3} b^{2} + 49a^{2} b^{4}$