حل المناقشة السابعة للرياضيات موفقين
حل(1):
x^2 + 11x + 24 = 0
(x + 8)(x + 3) = 0
x = -8 OR x = -3
حل(2):
Y^2-2y-63=0
----------------
y^2-9y+7y-63 = 0
y(y-9)+7(y-9) = 0
(y-9)(y+7) = 0
y = 9 or y = -7
حل(3):
2X2-14X+5X-35=0
2X(X-7)+5(X-7)=0
(X-7)(2X+5)=0
This can also be written as:
x-7=0 OR 2X+5=0
X=7 OR 2X=5
X=7 OR X=5/2