Question
If 10x2 – 6xy+y² – 4x+4= 0, then find
the value of (3x+2y).Solution
10x2 – 6xy+y² – 4x+4= 0 x2 -4x+4+9x2+y2-6xy=0 (x-2)2+(3x-y)2=0 When- x-2=0 x=2 3x-y =0 y=6 Now – 3x+2y =3×2+2x6=18.
More Algebra Questions
2(3/4) of 2880 + 54% of 7520 - ? = 302
Find the value of the following expression:
372 ÷ 56 × 7 – 5 + 2
- What will come in place of (?), in the given expression.
(5³ + 3²) × 2 = ? (1225/25) - (192/96) + (50/5) = ?
What will come in the place of question mark (?) in the given expression?
(555 + 385 - 535) ÷ 15 X ? = 36 X 30
- What will come in place of (?), in the given expression.
75% of 640 – 20% of 150 = ? `(21 xx 51 + 54)/(9 xx 14 - 30 )` =?
95% of 830 - ? % of 2770 = 650
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