Expand (2x-3y)(x-5y)
...Expand (2x-3y)(x-5y)
\(2x^2 + 13xy - 15y^2\)
\(2x^2 - 13xy - 15y^2\)
\(2x^2 + 13xy + 15y^2\)
\(2x^2 - 13xy + 15y^2\)
Correct answer is D
\((2x-3y)(x-5y)=2x^2 - 10xy - 3xy + 15y^2\\
=2x^2 - 13xy + 15y^2\)
Factorize r2 - r(2p + q) + 2pq ...
The diagram shows a circle centre O. if <STR = 29 and <RST = 45, calculate the ...
If the universal set μ = {x : 1 ≤ x ≤ 20} and A = {y : multiple of 3} B = |z : odd number...
Find the values of p for which the equation x2 - (p - 2)x + 2p + 1 = 0...
Evaluate \(\frac{x^2 + x - 2}{2x^2 + x -3}\) when x = -1...
Solve the simultaneous equations x + y = 2 and 3x - 2y = 1 ...
The number of goals scored by a football team in 20 matches is shown in the table above What is...