19/03/2020Simplifying Algebraic Expressions(Study by Topics Junior Class) 0Comments by Gate Academy Welcome to your Simplifying Algebraic Expressions(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. How do you simplify: 5xyz + 9xyz - 2xyz2xyz10xyz12xyz17xyz2. If xy + 1 = y² and z = 1/x - 1/xy, express z in terms of y1/ y-11 + y1/ y+11/ x-y3. Simplify -2xy² - 4x²y4xy - 2y2y(y - 2xy)2x(2y - 4xy)-2xy(y + 2x)4. Divide y³ - 2y² - 5y + 6 by (y - 1)y² - 5y - 6y²- y - 6y² - 7y + 6y² - 5y + 65. What number is known as the multiplicative identity?6. Make y the subject of the relationc+d/ a(c-d)c-d/ acdc-d/ a(c+d)cd/ a(c-d)7. If p varies inversely as qr/ q-r, and p = 5 when q = 7 and r = 2, then p is equal to14(q-r)/ qr25(q-r)/ 14qr14(q-r)/ 25qrq-r/ 14qr8. Simplify the following 2y + 9 + 8y + 710y + 1626y10y + 9 + 7269. 6b × 4b28b²24b²84b²36b²75b²10. Simplify the following : 2ab² + ab²c + 3ab2a(b + abc + 3b)ab (2b + bc + 3)none of these6ab(3 + bc + 2)11. Simplify (12x - 7y) + (6y + 3x)15x - 13y15x + 13y12x - y15x - y12. -3(x + y) + 5(x - y)8x - 8y2x - 8y-2x + 2y2x - 8y13. Simplify the expression: 9m - 3n - 7m + 9n16n - 6m16m - 6n2(n - 3m)2(n + 3m)2(m + 3n)14. Make b the subject of formulab = cd/ a-c³b = d²/ a-c²b = a-c³/ cd²b = cd²/ a-c³15. Multiply a² + a+ 1 by a² - a + 1a^4 + 3a² + a + 1a^4 + a² + 1a^4 + 4a² - 6a + 1a^4 - 6a² - 4a + 116. X(x - 1) + 5(x - 1) (2x+4)(x-10)(x - 1)(x + 5)(x - 1)(5x)(x - 1)(5 -x)17. Simplify ^{(a² - b²)}/_{(a + b)}a - ba + b(a - b)/(a + b)(a + b)/(a - b)(a + b)(a - b)18. Make z the subject of formulasx(y + z) + 5/a -2 = 0z = 5 -2a -axy/ axz = 2a -5 -axy/ axz = 5 -2a -y/ axz = 2a -5 -y/ ax19. Te product of (2√x -3x) and (3x + 2√x) is4x - 9x²-4x - 9x²4x +9x²4x + x²20. Simplify: 6a - 4b + 8cA(6a - 4 + 8c)2(3a - 2b + 4c)none of these4(2a - b + 2c)21 out of 20Time is Up!