Mathematics, 14.09.2019 11:30 Savagepanda911

Factorise each by first looking for a common factor and then completing the square.
a. 2x^2 + 4x - 4
b. 4x^2 - 8x - 20
c. 5x^2 + 30x + 5
d. 3x^2 - 12x - 39
e. 5x^2 - 30x + 10
f. 6x^2 + 24x - 6
g. 3x^2 + 30x + 39
h. 2x^2 - 8x - 14
i. 6x^2 + 36x - 30

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Factorise each by first looking for a common factor and then completing the square.
a. 2x^2 +...