Question

The product of 4xand(3x^+5x-7)

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Answer 1

Answer:

5x−(4x−7)(3x−5)=6−3(4x−9)(x−1)

5x−(12x

2

−20x−21x+35)=6−3(4x

2

−4x−9x+9)

5x−12x

2

+41x−35=6−12x

2

+39

46x−35=39x−21

7x=14

x=2