Step-by-step explanation:
-x+5+6x-7x-14
6x-8x+5-14
-2x-9
Answer:
BE = 72 cm
Step-by-step explanation:
(BPT Theorem)

⇒ 4 = 
⇒BE = 18 × 4
∴ BE = 72 cm
Hope this helps...
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You will flip the signs when you have to multiply or divide your equation by a negative integer.
Answer:
Step-by-step explanation:
P(x)= x^2-5x+c=0
P (-2)= (-2)^2-5 (-2)+c=0
= 4+10+c=0
=14+c=0
C=(-14)