CAN SOMEONE PLEASE CHECK THESE FOR ME! I HAVE TO PASS! THANK YOU ♥♥ WILL GIVE MEDAL!

7.simplify the sum
(10x^5+1x+8)+(2x^5+8x^2+4)
A.20x^5+9x^2+1x-12
B.12x^5+8x^2+1x+12
C.12x^5+8x^2+1x-12**
D.8x^5+9x^2+1x+12

8. find the GCF of the terms of the polynomial
14x^6+35x^4
A.7x^4**
B.x^4
C.7x^6
D.14x^4

18. what is the factored form of the expression?
40x^2-11x-63
A.(5x+7)(8x+9)**
B.(5x+7)(8x-9)
C.(5x-7)(8x+9)
D.(5x-7)(8x-9)

19. what is the factored form of the expression
16x^2-50x-21
A.(8x+3)(2x+7)
B.(8x+3)(2x-7)
C.(8x-3)(2x+7)
D.(8x-3)(2x-7)**

Question

CAN SOMEONE PLEASE CHECK THESE FOR ME! I HAVE TO PASS! THANK YOU ♥♥ WILL GIVE MEDAL!

7.simplify the sum 
(10x^5+1x+8)+(2x^5+8x^2+4)
A.20x^5+9x^2+1x-12
B.12x^5+8x^2+1x+12
C.12x^5+8x^2+1x-12**
D.8x^5+9x^2+1x+12

8. find the GCF of the terms of the polynomial
14x^6+35x^4
A.7x^4**
B.x^4
C.7x^6
D.14x^4

18. what is the factored form of the expression?
40x^2-11x-63
A.(5x+7)(8x+9)**
B.(5x+7)(8x-9)
C.(5x-7)(8x+9)
D.(5x-7)(8x-9)

19. what is the factored form of the expression
16x^2-50x-21
A.(8x+3)(2x+7)
B.(8x+3)(2x-7)
C.(8x-3)(2x+7)
D.(8x-3)(2x-7)**

rvc · Answer

7 a
18 d
19 b

hoblos · Answer

7 and 8 are correct
18 and 19 are not, can you try them once more