The product of 2 consecutive even integers is 16 less than 8 times their sum

Question

The product of 2 consecutive even integers is 16 less than 8 times their sum

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Thành Công 2 months 2021-07-28T01:14:22+00:00 1 Answers 1 views 0

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    2021-07-28T01:15:50+00:00

    Answer:

    there are two solutions:

    x=0

    and

    x=14

    Step-by-step explanation:

    lts suppose the numbers are x and x+2, so:

    x(x+2)=8(x+(x+2))-16\\x(x+2)=8(2x+2)-16=16x+16-16=16x\\x^2+2x=16x\\x^2-14x=0\\x(x-14)=0\\x=0,~x=14

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )