who is showing the correct answer i will mark as brainlist
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Answer:
1)5x²+20
=5x(x+4)
2)49a²-36b²
=(7a)²-(6b)²
=(7a+6b)(7a-6b)
3)25a²+30ab+9b²
=(5a)²+2(5a)(3b)+(3b)²
=(5a+3b)²
4)6a²+24ab+7a+28b
=6a(a+4b)+7(a+4b)
=(a+4b)(6a+7)
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