Answer:
D. x2 + x - 20.
Step-by-step explanation:
(x – 4)(x + 5).
= x(x + 5) -4(x + 5).
= x2 + 5x – 4x – 20.
= x2 + x - 20.
The equation would be 8x +3 + -19. Substitute your given answers in. Your answer would be B. Negative 2
Answer:
dooddoo
Step-by-step explanation:
Answer:
Step-by-step explanation:
3 × (4 + 5) - 6 = 21
4 × (3 + 2) - 8 = 12
Answer:
400m(if the length of sides is 100m)
Step-by-step explanation:
4L
4×100
=400m
