12x² + 7x - 10
factorise
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Answered by
15
12x^2+15x-8x-10=0
3x(4x+5)-2(4x+5)=0
(3x-2)(4x+5)=0
x=2/3,-5/4
3x(4x+5)-2(4x+5)=0
(3x-2)(4x+5)=0
x=2/3,-5/4
Answered by
50
=> 12x² + 7x - 10
=> 12x² + (15 - 8)x - 10
=> 12x² + 15x - 8x - 10
=> 3x(4x + 5) -2(4x + 5)
=> (4x + 5) (3x - 2)
Therefore, x = -5/4 and 2/3
=> 12x² + (15 - 8)x - 10
=> 12x² + 15x - 8x - 10
=> 3x(4x + 5) -2(4x + 5)
=> (4x + 5) (3x - 2)
Therefore, x = -5/4 and 2/3
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