Multiply: (x – 4)(x + 5)
(a) x2 + 5x - 20,
(b) x2 - 4x - 20,
(c) x2 - x - 20,
(d) x2 + x - 20.
Answers
Answered by
1
x^2+x-20=0
hope it helps
Answered by
3
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❤️
shamim25:
x^2+5x-4x-20
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