Substitute a=3,b=−5 and c=−210 into the quadratic formula x=2a−b±b2−4ac
x=2×35±(−5)2−4×3(−210)
Simplify the expression
x=65±(−5)2−4×3(−210)
Simplify the expression
More Steps
Evaluate
(−5)2−4×3(−210)
Multiply
More Steps
Multiply the terms
4×3(−210)
Rewrite the expression
−4×3×210
Multiply the terms
−2520
(−5)2−(−2520)
Rewrite the expression
52−(−2520)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses