Solve it plz_!!! ☺☺
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Step-by-step explanation:
5(a+b)^2(a-b)^2{a+b-a+b}
5(a+b)^2(a-b)^2(2b)
10b(a+b)^2(a-b)^2
16(4a^2+9b^2+12ab)-12(9b^2+4a^2-12ab)
4{4(4a^2+9b^2+12ab)-3(9b^2+4a^2-12ab)}
4{16a^2+36b^2+48ab-27b^2-12a^2+36ab)
4(4a^2+9b^2+84ab)
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