solve the equation 7a square - 25a + 12
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7a²-25a+12
7a²--21a-4a+12
7a(a-3)-4(a-3)
(7a-4)(a-3)
hence a=4/7 or 3
7a²--21a-4a+12
7a(a-3)-4(a-3)
(7a-4)(a-3)
hence a=4/7 or 3
Answered by
3
7a²-(21+4)a+12
7a²-21a-4a+12
7a(a-3)-4(a-3)
(7a-4)(a-3)
a=3. OR a=4/7
7a²-21a-4a+12
7a(a-3)-4(a-3)
(7a-4)(a-3)
a=3. OR a=4/7
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