Solve the following equations by factor method:
(i) x2 + 3x =18
(B) 2x2 + 5x – 3 = 0
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Step-by-step explanation:
i) x²+3x-18 = 0
x² +6x - 3x - 18 =0
x(x+6)-3(x+6) = 0
(x-3)(x+6)=0
x = 3 or x = -6
i) 2x²+5x-3 = 0
2x² +6x -x - 3 =0
2x(x+3)-1(x+3) = 0
(2x-1)(x+3)=0
x = -3 or x = 1/2
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