Solve the equation 4c2 + 7c - 5 = 0 using the quadratic formfoula

Question

Mathematics

Atticus

10 July, 20:06

Solve the equation 4c2 + 7c - 5 = 0 using the quadratic formfoula

+5

Answers (1)

Know the Answer?

Lucia Daniel · Answer 1

Let's solve your equation step-by-step.

4c2+7c-5=0

Step 1: Use quadratic formula with a=4, b=7, c=-5.

c=

-b±√b2-4ac

2a

c=

- (7) ±√ (7) 2-4 (4) (-5)

2 (4)

c=

-7±√129

8

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129

Answer:

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129Let's solve your equation step-by-step.

4c2+7c-5=0

Step 1: Use quadratic formula with a=4, b=7, c=-5.

c=

-b±√b2-4ac

2a

c=

- (7) ±√ (7) 2-4 (4) (-5)

2 (4)

c=

-7±√129

8

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129

Answer:

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129Let's solve your equation step-by-step.

4c2+7c-5=0

Step 1: Use quadratic formula with a=4, b=7, c=-5.

c=

-b±√b2-4ac

2a

c=

- (7) ±√ (7) 2-4 (4) (-5)

2 (4)

c=

-7±√129

8

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129

Answer:

c=

-7

8

+

1

8

√129 or c=

-7

8

+

-1

8

√129