At the bank, Mr Smith changes a £5 note for 20p pieces. How many 20p pieces does he-get?
1 answer:
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Answer:
x = - , x = - 1
Step-by-step explanation:
Given
(x + 1)(3x + 4) = 0
Equate each factor to zero and solve for x
x + 1 = 0 ⇒ x = - 1
3x + 4 = 0 ⇒ 3x = - 4 ⇒ x = -
Solutions from least to greatest are
x = - , x = - 1