Question

the value of b square -4ac for equation3x square -7x -2​

Answer 1

answer ;25

STEP BY STEP EXPLANATION

3x-7x-2

b^2-4ac

from given eqn

a=3,b=-7

andC= -2

now put values in above eqn

49-4×3×(-2)

49-24

25

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