pliz pliz solve it both
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hey..
6.
x^2 + x - 6 = 0
x^2 + 3x - 2x - 6 = 0
x(x + 3) - 2(x + 3) = 0
(x - 2)(x + 3) = 0
x -2 = 0 | x + 3 = 0
x = 2 | x = -3
7.
5y + 5y + 2y = 180
12y = 180
y = 180/12
y = 15
6.
x^2 + x - 6 = 0
x^2 + 3x - 2x - 6 = 0
x(x + 3) - 2(x + 3) = 0
(x - 2)(x + 3) = 0
x -2 = 0 | x + 3 = 0
x = 2 | x = -3
7.
5y + 5y + 2y = 180
12y = 180
y = 180/12
y = 15
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hope its helpful.........
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