Question

solve using quadratic formula
x^2+64x+576=0

Answer 1

${64 }^{2} - 4 \times 1 \times 576$
= 1792
Formula
x= -b ±√b^2 -4ac/2a
=-64 ± √1792/2*1
=-64± 16√7 /2
=8(-8±2√7) / 2
=4(-8±2√7)
=-32±8√7
x=-32+8√7 or x=-32-8√7

Answer 2

Answer:

Step-by-step explanation: