(9-7i)(8+8i)=

Simple and best practice solution for (9-7i)(8+8i)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (9-7i)(8+8i)= equation:


Simplifying
(9 + -7i)(8 + 8i) = 0

Multiply (9 + -7i) * (8 + 8i)
(9(8 + 8i) + -7i * (8 + 8i)) = 0
((8 * 9 + 8i * 9) + -7i * (8 + 8i)) = 0
((72 + 72i) + -7i * (8 + 8i)) = 0
(72 + 72i + (8 * -7i + 8i * -7i)) = 0
(72 + 72i + (-56i + -56i2)) = 0

Combine like terms: 72i + -56i = 16i
(72 + 16i + -56i2) = 0

Solving
72 + 16i + -56i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '8'.
8(9 + 2i + -7i2) = 0

Factor a trinomial.
8((9 + -7i)(1 + i)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(9 + -7i)' equal to zero and attempt to solve: Simplifying 9 + -7i = 0 Solving 9 + -7i = 0 Move all terms containing i to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -7i = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7i = 0 + -9 -7i = 0 + -9 Combine like terms: 0 + -9 = -9 -7i = -9 Divide each side by '-7'. i = 1.285714286 Simplifying i = 1.285714286

Subproblem 2

Set the factor '(1 + i)' equal to zero and attempt to solve: Simplifying 1 + i = 0 Solving 1 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + i = 0 + -1 Combine like terms: 1 + -1 = 0 0 + i = 0 + -1 i = 0 + -1 Combine like terms: 0 + -1 = -1 i = -1 Simplifying i = -1

Solution

i = {1.285714286, -1}

See similar equations:

| 999999999999x=9 | | 12x-1/3=1 | | 8x-20=-276 | | 3(x+3)-6=48 | | -179+7x=-2x+82 | | -22x-4=-884 | | 3E+1=E+9 | | 278+17x-3=360 | | 4x+60=-92 | | 7(-3x-6)=-105 | | 85=5(7n+3) | | (5a^2-3a+8)+(-4a^2-1)+(15a+11)= | | 13x=32+x | | 12x+7=-521 | | -87+6x=183-4x | | 6x+100=6x+200 | | 76.96=4(1+4.8n) | | 5x+179=yx+156 | | -7x-6=-230 | | 4(x-5)=9x-3+2x | | 27750.00+200x=312.5x | | 0=-4b-2b | | 4x-32=x-2 | | 4(2x-2)=8x+6 | | 2.8(-3.3+3.795r)=-55.9944 | | g(x)=10x-3 | | -108-7x=5x+36 | | 2_x+7_x=18 | | 2x-5=87 | | n^2=-7n-12 | | 2/3-5/x=1/3x | | 250+17x+8=360 |

Equations solver categories