SOLUTION: 1.Solve for x in the following quadratic equations by factoring.
a.x2−8x+16=0 (3 marks)
b. x2+14x=0 (4 marks)
c.6x2−7x−3=0 (4 marks)
d.x2−(72)x+32=0
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Question 998644: 1.Solve for x in the following quadratic equations by factoring.
a.x2−8x+16=0 (3 marks)
b. x2+14x=0 (4 marks)
c.6x2−7x−3=0 (4 marks)
d.x2−(72)x+32=0 (4 marks)
2.Solve for x in the following quadratic equations using the formula. State your answers in fraction or whole number form or round decimals to the nearest tenth. (3 marks each)
a.5x2−8x−4=0
b.3x2+2=4x
c.9x2+12x+4=0
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x(x-4)-x(x-4)=0
(x-4)(x-4)=0
x-4 =0
x=4
x= 0 OR
x_14=0
x=-14
0,-14
3x(2x-3)+1(2x-3)=0
(3x+1)(2x-3)=0
3x+1=0 OR 2x-3=0
3x+1=0
x= -1/3
2x-3=0
x= 3/2
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