To find the roots of the expression,set the expression equal to 0
−5(u4)×211−(u−3)=0
Calculate
−5u4×211−(u−3)=0
Multiply the terms
−1055u4−(u−3)=0
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses