Question

c Find the value of m, ifx = 4 is a factor of the polynomial x2 + 3x + m.​

Answer 1

Answer:

STEP :1

substitute-4×2+3×4+m

STEP :2

BODMAS- bracket open division multiplication addition subraction

(4×2) + (3×4) + m

STEP :4

SIMPLIFY-8+12+m=0

20+m=0

m= -20.

HOPE IT HELP .

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Answer 2

Answer:

m = -28

Step-by-step explanation:

• x² + 3x + m = 0
• Put X = 4
• (4)² + 3(4) + m = 0
• 16 + 12 + m = 0
• 28 + m = 0
• m = -28. Ans