find the value of expression 4×^2-5×+8 at ×=3
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Step-by-step explanation:
the expression s value at x = 3 is
4×(3)^2 - 5×(3) + 8 = 4×9 - 15 + 8 =
= 36 - 15 + 8
= 44 - 15 = 29.
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