Question

Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.


Correct option kya hai And Explain kro​

Answer 1

// Hell0 //

Answer:

↪↪ Correct Option is ➡ D √√

x2 + x - 20 .☑☑

Explanation:

. ❤❤◽

(x – 4)(x + 5).

= x(x + 5) -4(x + 5).

= x2 + 5x – 4x – 20.

= x2 + x - 20.

Hope it helps

#Hopēless_ Romañtic ❤❤❤

Answer 2

Answer:

Option C x2+x-20

Explanation:

(x-4)(x+5)

=X×X+5×X-4×X-4×5

x2+5x-4x-20

=x2+x-20

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