Question

factorie by splliting middle term x^2-11x-80​

Answer 1

Answer:mate answer is (x-16)+(x+5)

Step-by-step explanation:x²-11x-80

(BY MIDDLE TERM SPLITTING=16×5=80 AND 16-5=11)

Hence,x²-11x-80

OR x²-16x+5x-80

OR x(x-16)+5(x-16)[BY TAKING X AS COMMON IN BOTH THE TERMS]

Answer is (x-16)(x+5)[BY TAKING (X-16) AS COMMON IN BOTH THE TERMS]

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Answer 2

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Step-by-step explanation:

${x}^{2}$ - ${11x}$ - ${80}$

${x}^{2}$ - ${16x}{+}{5x}$ - ${80}$ = 0

x ( ${x~-~16}$ ) + 5 ( ${x~-~16}$ = 0

( ${x~+~15}$ ) ( ${x~-~16}$ = 0

• x + 15 = 0
• x = -15

• x - 16 = 0
• x = 16

$\therefore\red$ x = -15 $\red{OR}$ x = 16