15 ÷ 3 = ____
−1[a−3{b−4(a−¯¯¯¯¯¯¯¯¯¯¯¯b−8)+4a}+10] equals
Subtract : 9a – 6b from -8a + 9b
Find the value of a and b when a+b√15=√15+√3/√5-√3