Question

Given that x=3,y= -4 evaluate ,2y²- y (x-y)

Answer 1

HERE IS YOUR SOLUTION-
= Given-
x=3
y=-4
=Given equation=
${2y }^{2} - y(x - y)$
Put x=3 and y÷-4
i.e
$2 \times {( - 4})^{2} - 4(3 - ( { - 4}^{2} )$
=2×16-4(3-16)
=2×16-4×-13
=32+56
=88 Answer.
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