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Phổ biến Word Problems >

the hiệu of the square of a number and 32 is equal to 4 times that number

Lời Giải

t h e d i ff ere n ce o f t h e s q u a re o f a n u mb er an d 32 i s e q u a l t o 4 t im es t ha t n u mb er

Lời Giải

The number : 8 or - 4

Các bước giải pháp

Represent the number with

x

A.T.Q.:

x^{2} - 32 = 4 x

Giải

x, x^{2} - 32 = 4 x : x = 8, x = - 4

The number : 8 or - 4

Ví dụ phổ biến

he solution on the number:-4> x-9 The đường kính of a circle is 20 m. Find its area Four times the hiệu of a number and seven is four less than three times the number. Find the number A student borrows \53, 100 at 4.8% compounded monthly: Find the total amount of interest to be repaid at the end of 15 years Taylor invested 11,000 in an account paying an interest rate of 3.5% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 14 years?