6. Multiply: (x – 4)(x + 5)
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Answers
Answered by
5
(x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
Answer: (d)
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
Answer: (d)
Answered by
12
Heya ,here
solution =
multiple ;
=> (x - 4)(x +5)
=> x ( x + 5 ) -4 ( x +5)
=> x^2+5x -4x + 20
=> x^2 + x -20
so, the option D is correct ✔
Hope it's helps you.
☺☺
solution =
multiple ;
=> (x - 4)(x +5)
=> x ( x + 5 ) -4 ( x +5)
=> x^2+5x -4x + 20
=> x^2 + x -20
so, the option D is correct ✔
Hope it's helps you.
☺☺
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