Question

7) for x²+4x +40 o find value of discriminant
(1)0 (2)4 (3)-4 (4)5
ها
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Answer 1

(X+2) (x+2) =0

X= -2

(-2)² + 4(-2 ) +4=0

4 - 8 + 4 = 0

So therefore Zero is the answer

Hopes it helps you mate ✌✌

Brainliest me

Answer 2

Answer:

answer is 0

Step-by-step explanation:

according to formula

D = b^2 - 4ac

= (4)^2-4(1)(40)

= 16 - 160

D = -144

D = √144

D = + or - 12

here D < 0

answer :0