Math, asked by sachinphade9420, 1 year ago

cheak heather -4 is the solution of x^2+3x-4=0

Answers

Answered by luckypubgking86

0

Answer:

x^2+3x-4=0

putting the value in place of x in -4

-4^2+3×-4-4=0
16-12-4=0
16-16=0

Answered by priyaMajumdar

1

Answer:

if ... x=(-4).... then....

x²+3x+4
(-4)²+3.(-4)-4
16 - 12 - 4
16 - 16
0(prove)

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