Pls help 13 points and brainliest for quickest correct answer If X=2 and Y=5, work out the value of 3xsquared +2ysquared​

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Pls help 13 points and brainliest for quickest correct answer

If X=2 and Y=5, work out the value of 3xsquared +2ysquared​

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Hưng Khoa 4 years 2021-08-11T22:23:15+00:00 1 Answers 7 views 0

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  1. Tryphena
    0
    2021-08-11T22:25:04+00:00
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    Answer:

    136

    Step-by-step explanation:

    ^2 means exponent of 2 or squared

    we’re gonna turn x into 2 and y into 5 sense that’s what its equal to

    when working with variables you multiply x times the number next to it so,

    (3 x 2 ^2) +(2 x 5 ^2) will be the actual problem.

    3 x 2 = 6

    2 x 5 = 10

    now sense they’re squared it means you have to multiply it by itself

    6 x 6 = 36

    10 x 10 = 100

    so, 100 + 36 = 136

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