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Can someone help me with question 19 and 21 please?
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Can someone help me with question 19 and 21 please?

Can someone help me with question 19 and 21 please?-example-1
User Liberty Lover
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19. x^2+16x+64
=(x+8)^2
21. x^2-10x+25
=(x-5)^2
User Jake Badlands
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