Find the range of values of x for which the expression 12x^2+7x-10 is negative
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Answer:
12x^2+7x-10
12x^2×-10= -120x^2
Factors of 120x^2
12×10 , 2×60 , 4×30 , 5×24 , 15×8
15-8=7
12x^2+15x-8x-10
(12x^2+15x)-(8x-10)
(12x^2+15x)-(8x+10)
3x(4x+5)-2(4x+5)
(3x-2)(4x+5)
HOPE IT WILL HELP YOU!!
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