A-C Method , 1.) 3x2 +7x+4

A-C method

1.) 3x2 +7x+4

3 {x}^{2}  + 7x + 4

Solution 1

a = 3

b = 7

c = 4

Solution 2

3 {x}^{2}  = 3x \times x \\ 4 = 2 \times 2

(3 {x} + 4) = 7 \\ (x + 1) = x


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