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4X^2- 35X -375 =0
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refer to attachment.
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Answer:
Step-by-step explanation:
4x^2-35x-375
D=b^2-4ac
= (-35)^2-4×4×(-375)
=1225+6000
=7225
X=-(-35)+-root over of 7225÷2×4
X=35+85÷8 ×=35-85÷8
×=120÷8 ×=-50÷8
×=15
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