Simply 3x(4x-5)+3 and find it’s value for x=-2
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Answered by
1
Answer:
GIVEN , X= -2
==> 3X(4X-5)+3
PUUTING VALUE OF X
==> 3(-2)[4(-2)-5]+3
==> -6 [-8-5]+3
==> -6[-13]+3
==> 78+3
==> 81
Answered by
1
3x (4x-5)+3
=12xsq.- 15x +3
x=-2
then,
=12×(-2)×(-2)- 15×(-2)+3
=48-(-30)+3
=48+30+3
=81
=12xsq.- 15x +3
x=-2
then,
=12×(-2)×(-2)- 15×(-2)+3
=48-(-30)+3
=48+30+3
=81
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