Question

Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.​

Answer 1

Hey mate....

here's the answer....

(x – 4)(x + 5).

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

= x2 + 5x – 4x – 20.

= x2 + x - 20.

Hope this helps❤

Answer 2

$\huge{\mathfrak{HEYA\:MATE\:!!}}$

Answer....

(x-4)(x+5)

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

=x² +5x -4x -20

=x² + x -20

нσρє нєℓρѕ !❤️❤️