Answer:
a.) -18 x 10^6
Step-by-step explanation:
multiply 9 x-2
add exponents 9 and -3
Answer:
The answer is 32 I had this on a K12 test 2 days ago also pls give me brainliest thx! :D
Answer:
8x⁴ - 7x³ + 12x
Step-by-step explanation:
=(4x⁴ + 7x + 5x³) + (8x⁴ + 6x³ - 3x)- (4x⁴ + 4x³ - 8x)
=4x⁴ + 7x + 5x³ + 8x⁴ + 6x³ - 3x - 4x⁴ - 4x³ + 8x
=4x⁴ + 8x⁴ - 4x⁴+ <em>5x³ + 6x³ - 4x³</em> + <u>7x - 3x + 8x</u>
=8x⁴ + 7x³ + 12x
Would have to be C due to all the other numbers not adding up to be a right angle
