Unit 3

• Solve this: $(2√7)^3=$$$$56√7$
• Solve this: $(2√7)^2=$$$$28$
• Simplify this: $4x*$$4√3=$$16x√3$
• Factorise this: $16x√3+$$2(√3)x^2=$$2√3(x^2+8x)$
• $√(2x)^2-x^2=$$√3x$(Note: the x power is already cancelled by root)
• Solve this: $40√3÷2√3=$$20$