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(a+4) (a+3) 

ano po cheking jan ?

Sagot :

VilesXviz
First equate the roots to 0, and solve for a's

for a + 4 =0
a = - 4

for a + 3 = 0
a = - 3

Checking by substitution:
substitute the value's of a

For (a + 4)

a + 4 = 0
-4 + 4 = 0

0 = 0
checked

For (a + 3)

a + 3 = 0
-3 + 3 =0

0 = 0
checked