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4x2 + 28x + 49 = 4x2 + 14x + 14x + 49 = 2x(2x + 7) + 7(2x + 7) = (2x + 7)(2x + 7) or (2x + 7)2

Q: 4x2 plus 28x plus 49

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49 Check when:- 4x2-28x+49 = 0 (2x-7)(2x-7) = 0 x = 7/2 and also x = 7/2

(2x-7)(2x-7) = area 4x2-28x+49 = area

(4x + 7)(16x2 - 28x + 49)

4849494949505050------394

349

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49 Check when:- 4x2-28x+49 = 0 (2x-7)(2x-7) = 0 x = 7/2 and also x = 7/2

4x2+28x+49 = (2x+7)(2x+7) when factored

4x2+49 First multiply then addition. 8+49 =57 Answer is 57.

(2x-7)(2x-7) = area 4x2-28x+49 = area

(4x + 7)(16x2 - 28x + 49)

49 + 49 + 49 + 49 + 49 = 245 OR 49*5=245

That doesn't look quite right. As written, that's 4x + 61, which doesn't factor. If you meant 4x2 + 49x + 12, the answer is (4x + 1)(x + 12)

4849494949505050------394

44

29

349

7x2 plus 7x5 = 49