Question 416845
Factor each expression: 
54. k2 + 14k + 49 = (k+7)^2
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55. r2 + 6r + 9 = (r+3)^2
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56. y2 - 16y + 64 = (y-8)^2
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57. 2t2 + 12t + 18 
= 2(t^2+6t+9)
= 2(t+3)^2
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58. m2 - 64 = (m-8)(m+8)
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59. 4g2 + 40g + 100
= 4(g^2+10g+25)
= 4(g+5)^2
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Cheers,
Stan H.
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